Handbook of birds of the western United States : including the great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin, 1920)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin Company, 1921)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1902)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1904)

Handbook of birds of the western United States, including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin company, 1908)

A handbook of the geography and natural history of the province of Nova Scotia for the use of schools, families, and travellers - Dawson, J. W., (John William), 1820 -1899 (M'Pherson, 1863)

Handbook of zoology with examples from Canadian species, recent and fossil - Dawson, J. W., (John William), 1820 -1899 (Dawson, 1886)

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

Handbuch der Forstwissenschaft. In Verbindung mit A. Bühler [et al.] Hrsg. von Tuisko Lorey - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1888)

Handbuch der Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1960)

Handbuch der Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1983)

Handbuch der Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1988)

Handbuch der Oologie Lief. 1-47 / v.1-4 - Meise, Wilhelm (Akademie-Verlag, 1992)

Handbuch der Zoologie mit besonderer Berücksichtigung derjenigen Thiere, welch in Bezug auf Forst und Landwirthschaft, sowie hinsichtlich der Jagd vorzüglich wichtig sind ... Zweiter Theil Wirbellos Thiere ... - Döbner, Eduard Philipp, 1810 -1890 (Krebs, 1862)

Handbuch für Vogelliebhaber, -Züchter und -Händler - Russ, Karl, 1833 -1899 (Carl Rümpler, 1878)

A handlist of Malaysian birds : a systematic list of the birds of the Malay Peninsula, Sumatra, Borneo and Java, including the adjacent small islands - Chasen, Frederick N. (Frederick Nutter), 1896 -1942 (Printed at the Govt. Print. Off, 1935)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1878)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1889)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1891)

Histoire physique, politique et naturelle de l'ile de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1839)

Historia animalium - Universidad de Barcelona. Secció de Zoologia. (Departament de Biologia Animal (Secció de Zoologia), Facultat de Biologia, Universitat de Barcelona, 1997)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1990)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1991)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1997)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1999)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2000)

A history of birds - Pycraft, W. P. (William Plane), 1868 -1942 (Methuen and Co, 1910)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1876)

A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, 1874)

A History of the birds of Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 ([Legge], 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 Colorado - Sclater, William Lutley, 1863 -1944 (Witherby & co, 1912)

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, not observed in the British Isles - Bree, Charles Robert, 1811 -1886 (Groombridge and Sons, 1866)

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

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1897)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1917)

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

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

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1895)

I. Description of new buildings - Freer, Paul Caspar, 1862 -1912 (Bureau of Public Printing, 1905)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1866)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1874)

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, 1878)

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, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1902)

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, 1909)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1910)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1915)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1917)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1921)

Iconografia della fauna italica : per le quattro classi degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (Tip. Salviucci, 1841)

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)

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, 1993)

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, 1967)

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, 1994)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1955)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1937)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)