The code of nomenclature and check-list of North American birds : adopted by the American Ornithologists' Union : being the report of the Committee of the Union on Classification and Nomenclature - American Ornithologists' Union. Committee on Classification; Nomenclature. (1886)

Collected papers in avian paleontology honoring the 90th birthday of Alexander Wetmore - Wetmore, Alexander, 1886 -1978 (Smithsonian Institution Press, 1976)

[Collected reprints, 1902-1928 - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (s.n, 1900)

[Collected reprints, 1911-1931 - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (s.n, 1900)

The collected scientific papers of the late William Alexander Forbes - Beddard, Frank E. (Frank Evers), 1858 -1925 (R.H. Porter, 1885)

[A collection of various papers; mostly on birds of Greenland, Denmark and the North Atlantic Ocean, 1892-1902.] - Helms, O. (Otto), 1866 -1942 (1892)

Colombia Bajo Caguán-Caquetá - Field Museum of Natural History. (The Field Museum, 2019)

Color key to North American birds, with bibliographical appendix - Reed, Chester A. (Chester Albert), 1876 -1912 (D. Appleton & Company, 1912)

Coloured illustrations of the eggs of British birds, accompanied with descriptions of the eggs, nests, etc - Hewitson, William C. (William Chapman), 1806 -1878 (J. Van Voorst, 1846)

Communication and relationships in the genus Tyrannus - Smith, W. John (William John), 1934 - (The Club, 1966)

Comparative breeding behavior of four species of North American herons - Meyerriecks, Andrew J (Nuttall Ornithological Club, 1960)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1905)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1921)

Congrès international d'entomologie : [proceedings] (Hayez, 1958)

Conservation of marine birds of northern North America : papers from the international symposium held at the Seattle Hyatt House, Seattle, Washington, 13-15 May 1975 - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1979)

Conspectus generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (Apud E.J. Brill, 1857)

Contents and index to volume 1 - Cory, Charles B. (Charles Barney), 1857 -1921 (Natural History Museum, 1917)

Contribucion á la ornitologia cubana - Gundlach, Johannes Christoph, 1810 -1896 (Imp. "La Antilla" de N. Cacho-Negrete, 1876)

A contribution to the ornithology of the Orinoco region - Cherrie, George Kruck, 1865 -1946 (Pub. for the Brooklyn museum, 1916)

Contribution to the ornithology of western South Africa : results of the British Museum (Natural History) South West Africa Expedition, 1949-50 - British Museum (Natural History). Department of Botany. (1957)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1962)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1971)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1972)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1979)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1980)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1970)

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2012)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 1995)

Controlled natural selection and value marketing - Mottram, James Cecil, 1880 - (Longmans, Green and Co, 1914)

Coral Reefs of the World (1988)

The Coues check list of North American birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1882)

The crane-flies of New York - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

The crane-flies of New York. Part II. Biology and phylogeny - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1960)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1964)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1967)

Current bibliography for fisheries science - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Biology Branch, Fisheries Division, Food and Agriculture Organization of the United Nations, 1958)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1934)

Danmarks fugle, beskrevne - Kjaerbølling, N. (Niels), 1806 -1871 (Forfatterens Forlag, 1852)

Dean bibliography of fishes - American Museum of Natural History (American Museum of Natural History, 1971)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1926)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1918)

Descriptiones et icones animalium Rossicorum novorum vel minus rite cognitorum. Fasciculus I, Aves - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Jussu et sumptibus Academiae Scientiarum, 1836)

Descriptive catalogue of the specimens of natural history in spirit contained in the Museum of the Royal college of surgeons of England. Vertebrata: Pisces, Reptilia, Aves, Mammalia - Royal College of Surgeons of England. Museum. (Taylor and Francis, 1859)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1907)

Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern - Drygalski, Erich von, 1865 -1949 (G. Reimer, 1905)

Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern - Drygalski, Erich von, 1865 -1949 (G. Reimer, 1921)

Die Deutschen Expeditionen und ihre Ergebnisse. Hrsg. im Auftrage der Deutschen Polar-Kommission von deren Vorsitzendem G. Neumayer - Neumayer, Georg Balthasar von, 1826 -1909 (A. Asher, 1891)

Die deutschen Vogelnamen : eine wortgeschichtliche Untersuchung - Suolahti, Hugo, 1874 -1944 (K.J. Tr, 1909)

Deutsches Vogelbuch für Forst- und Landwirte : Jäger, Naturfreunde und Vogelliebhaber - Floericke, Kurt, 1869 -1934 (Kosmos, Gesellschaft der Naturfreunde, 1907)

Deutschlands Feld- und Gartengewächse : mit genauer Beschriebung ihres Arten-Charakters, ihres Vorkommens, ihrer Blüthezeit und Dauer, ihres Anbaus, ihrer Eigenschaften, ihrer Anwendung und vollständiger Aufführung ihrer Synonymen für das praktische Bedürfniss dargestellt - Calwer, C. G. (Carl Gustav), 1821 -1874 (Verlag von Krais & Hoffmann, 1852)

A dictionary of birds - Shufeldt, Robert Wilson 1850 -1934 (A. and C. Black, 1893)

A dictionary of birds - Lydekker, Richard, 1849 -1915 (A. and C. Black, 1896)

A Directory of Neotropical Wetlands (1986)

Directory of Wetlands of International Importance (1987)

Directory of Wetlands of International Importance (1990)

Directory of zoological taxonomists of the world - Blackwelder, Richard Eliot 1909 -2001 (Published for the Society of Systematic Zoology by Southern Illinois University Press, 1961)

Directory to the birds of Eastern North America - Maynard, C. J. (Charles Johnson), 1845 -1929 (1907)

Directory to the birds of eastern North America, illustrated with many wood cuts and ... plates drawn and engraved by the author - Maynard, C. J. (Charles Johnson), 1845 -1929 (1907)

The distribution of bird life in the Urubamba valley of Peru; a report on the birds collected by the Yale university National geographic society's expeditions - Chapman, Frank M. (Frank Michler), 1864 -1945 (Govt. print. off, 1921)

Distribution, season of use, and habitat of the mammals, birds, reptiles, amphibians, and fishes of Idaho - Wilson, Lanny O. (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1975)

Doriana - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) ([Museo civico di storia naturale "G. Doria", 1981)

Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C. F. Winter, 1891)