A manual of North American birds - Ridgway, Robert, 1850 -1929 (Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott Co, 1900)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott Company, 1896)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott, 1887)

A manual of ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for theauthor at the Atlantic University Print. Office, 1895)

A manual of ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for the author at the Atlanta University Printing Office, 1895)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1909)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1910)

Manual of the vertebrate animals of the northeastern United States inclusive of marine species - Jordan, David Starr, 1851 -1931 (World Book Co, 1929)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg and Company, 1899)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri river, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg, 1916)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1910)

A manual of the vertebrate animals of the northern United States: including the district north and east of the Ozark Mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg, 1899)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1888)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark Mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1888)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri river, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg and company, 1888)

Manual of the vertebrate animals of the northern U.S. ... inclusive of the marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1894)

Manual of the vertebrates of the northern United States, including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species. By David Starr Jordan ... - Jordan, David Starr, 1851 -1931 (Jansen, McClurg & company, 1880)

Manual of the vertebrates of the northern United States, including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species - Jordan, David Starr, 1851 -1931 (Jansen, McClurg & company, 1880)

Manual of the vertebrates of the northern United States, including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species - Jordan, David Starr, 1851 -1931 (Jansen, McClurg, 1884)

Manual of the vertebrates of the northern United States, including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species - Jordan, David Starr, 1851 -1931 (Jansen, McClurg & Company, 1884)

Manual of the vertebrates of the northern United States, including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species - Jordan, David Starr, 1851 -1931 (Jansen, McClurg, 1880)

Manual of the vertebrates of the northern United States including the district east of the Mississippi River, and north of North Carolina and Tennessee, exclusive of marine species - Jordan, David Starr, 1851 -1931 (Jansen, McClurg & Co, 1876)

Matabele land and the Victoria Falls; a naturalist's wanderings in the interior of South Africa - Oates, Charles George. (Kegan Paul, Trench & Co, 1889)

Matabele land and the Victoria Falls : a naturalist's wanderings in the interior of South Africa, from the letters and journals of the late Frank Oates - Oates, Frank. (C.K. Paul, 1881)

Measurements of birds - Oberholser, Harry C. (Harry Church), 1870 -1963 (1931)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1909)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1893)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1969)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1978)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1980)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1981)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1984)

Mémoires ornithologiques - Bonaparte, Charles-Lucien, 1803 -1857 (1857)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1884)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1911)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1905)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1984)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1935)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1971)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1895)

A monograph of the genus Chordeiles Swainson : type of a new family of goatsuckers - Oberholser, Harry C. (Harry Church), 1870 -1963 (G.P.O, 1914)

A monograph of the genus Chordeiles Swainson, type of a new family of goatsuckers - Smithsonian Institution (Govt. print. off, 1914)

Morceaux extraits de Pline - Pliny, the Younger. (Lefèvre, 1845)

Museum paper - Geological Survey of Alabama. Museum. (1910)

Museum paper - Alabama Museum of Natural History. (Alabama Museum of Natural History, 1921)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

Natural history of animals. Containing brief descriptions of the animals figured on Tenney's Natural history tablets, but complete without the tablets - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong, 1875)

The natural history of South Africa. Birds - Fitzsimons, F. W. (Frederick William), 1875 - (Longmans, Green and co, 1923)

The naturalist in Manchuria - Sowerby, Arthur de Carle, 1885 -1954 (Tientsin Press, 1922)

A naturalist on desert islands - Lowe, Percy Roycroft, 1870 - (Witherby & co, 1911)

The naturalist's companion - Mercer, Berton. (E. Lamborn, 1889)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

A naturalist's rambles about home - Abbott, Charles Conrad, 1843 -1919 (Appleton, 1889)

A naturalist's wanderings in the Eastern archipelago; a narrative of travel and exploration from 1878 to 1883 - Forbes, Henry O. (Henry Ogg), 1851 -1932 (Harper & brothers, 1885)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1876)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1887)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1892)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Die Naturgeschichte des Cajus Plinius Secundus : ins Deutsche übersetzt und mit Anmerkungen versehen - Wittstein, Georg Christian, 1810 -1887 (Gressner & Schramm, 1882)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1885)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1891)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1892)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1893)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1898)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1950)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1952)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1953)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1984)

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Nel Darien e nell' Ecuador : risultati zoologici - Festa, Enrico, 1868 -1939 (s.n, 1906)

The nests and eggs of Indian birds - Oates, Eugene William, 1845 -1911 (R. H. Porter, 1889)

The nests and eggs of Indian birds - Oates, Eugene William, 1845 -1911 (R. H. Porter, 1890)

The nests and eggs of non-indigenous British birds or such species that do not breed within the British Archipelago - Dixon, Charles, 1858 -1926 (Chapman & Hall, 1894)

The new Canadian bird book for school and home - MacClement, W. T. (William Thomas), 1861 - (Dominion Book Co, 1914)

New England bird life; being a manual of New England ornithology: rev.and ed. from the manuscript of Winfrid A. Stearns - Coues, Elliott, 1842 -1899 (Lee and Shepard, 1883)

New England bird life: being a manual of New England ornithology - Coues, Elliott, 1842 -1899 (Lee and Shepard, 1881)

New England bird life: being a manual of New England ornithology - Coues, Elliott, 1842 -1899 (Lee and Shepard, 1883)

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Nihon chōrui mokuroku / Nihon Chōgakkai hensan - Kuroda, Nagamichi, 1889 -1978 (Ornithological Society of Japan], 1922)

Nomenclator Musei Heineani Ornithologici; Verzeichniss der Vogel-Sammlung des Kgl. Oberamtmanns Ferdinand Heine - Reichenow, Anton, 1847 -1941 (R. Friedländer & Sohn, 1890)

Nomenclature of North American birds chiefly contained in the United States National Museum - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1881)