A history of the birds of Ceylon - Keulemans, J. G. (John Gerrard), 1842 -1912 (Published by the author, 1880)

A history of the birds of Ceylon - Keulemans, J. G. (John Gerrard), 1842 -1912 (Published by the author, 1880)

A History of the birds of Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 ([Legge], 1880)

A History of the birds of Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 ([Legge], 1880)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1895)

A history of the birds of Europe : including all the species inhabiting the Western Palaearctic Region - Dresser, H. E. (Henry Eeles), 1838 -1915 (Dresser)

A history of the birds of Europe : including all the species inhabiting the Western Palaearctic Region - Dresser, H. E. (Henry Eeles), 1838 -1915 (Dresser)

A history of the birds of Europe : including all the species inhabiting the Western Palaearctic Region - Dresser, H. E. (Henry Eeles), 1838 -1915 (Dresser)

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

A history of the birds of New Zealand - Buller, Walter Lawry, Sir, 1838 -1906 ([Buller], 1888)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1918)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1919)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1921)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1922)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1921)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1922)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1922)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1921)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1920)

Hunting and fishing in Florida, including a key to the water birds known to occur in the state - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1896)

Hunting and fishing in Florida : including a key to the water birds known to occur in the State - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1896)

Hunting and fishing in Florida, including a key to the water birds known to occur in the state - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes and Lauriat, 1896)

Hunting and fishing in Florida, including a key to the water birds known to occur in the state - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1896)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1867)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1873)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1873)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1879)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1879)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1882)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1882)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1882)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1883)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1888)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1898)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1908)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1912)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1912)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1912)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1913)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1913)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1913)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1914)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1916)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1918)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1920)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1922)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Iconografia dell'avifauna italica, ovvero, Tavole illustranti le specie di uccelli che trovansi in Italia : con brevi descrizioni e note - Giglioli, Enrico Hillyer, 1845 -1909 (Alberto Manzella, proprietario-editore, 1879)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1978)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1889)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1889)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1889)

Index ad Caroli Luciani Bonaparte Conspectum generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (apud E. J. Brill, 1865)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index faunæ Novæ Zealandiæ - Hutton, Frederick Wollaston, 1836 -1905 (Dulau & Co, 1904)

Index faunæ Novæ Zealandiæ - Hutton, Frederick Wollaston, 1836 -1905 (Dulau & Co, 1904)

Index faunæ Novæ Zealandiæ (Dulau & Co., 37 Soho Square, 1904)

Index generum avium. A list of the genera and subgenera of birds - Waterhouse, Frederick Herschel, 1845 -1919 (R. H. Porter, 1889)

Index generum avium : a list of the genera and subgenera of birds - Waterhouse, Frederick Herschel, 1845 -1919 (R.H. Porter, 1889)

Index to the genera of birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1920)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1885)

James Eights, 1798-1882 : Antarctic explorer, Albany naturalist, his life, his times, his work - New York State Museum. (University of the State of New York, State Education Dept, 2005)

Journal de zoologie (Arthus Bertrand, 1874)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1871)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1871)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1875)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1875)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1875)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1890)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1891)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1868)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1901)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1901)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1901)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1901)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1903)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1907)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1911)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1913)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1914)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1914)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1914)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1900)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1900)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1900)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1923)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1927)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1930)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1948)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1948)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1954)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1955)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1959)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1962)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1989)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1991)

Journal of the East Africa Natural History Society and National Museum - East Africa Natural History Society. (The Society, 1976)

Journal of the Elisha Mitchell Scientific Society - Elisha Mitchell Scientific Society (Chapel Hill, N.C.) (Elisha Mitchell Scientific Society [etc.], 1887)

The Journal of the Maine Ornithological Society - Maine Ornithological Society. (Maine Ornithological Society, 1904)

The Journal of the South African Ornithologists' Union - South African Ornithologists' Union. (1908)

The Journal of the South African Ornithologists' Union - South African Ornithologists' Union. (1905)

The Journal of the South African Ornithologists' Union - South African Ornithologists' Union. (1905)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1909)

Katalog der Eiersammlung, nebst Beschreibungeh der aussereuropäischen Eier - Nehrkorn, Adolph. (R. Friedler & Sohn, 1910)

Key to North American birds - Coues, Elliott, 1842 -1899 (1872)

Key to North American birds - Coues, Elliott, 1842 -1899 (1872)

Key to North American birds - Coues, Elliott, 1842 -1899 (1872)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)