Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1962)

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1987)

Check list of British Columbia birds - Thayer, John Eliot, 1862 -1933 (R. Wolfeenden, Printer to the Queen, 1891)

Check list of New York birds - Farr, Marcus Stults, 1870 - (University of the State of New York, 1900)

Check-list of North American birds - American Ornithologists' Union. (1957)

Check-list of North American birds - American Ornithologists' Union. (American ornithologists' union, 1910)

Check-list of North American birds - American Ornithologists' Union. (American Ornithologists' Union, 1895)

Check-list of North American birds - American Ornithologists' Union. (The Union, 1931)

Check-list of North American birds : the species of birds of North America from the Arctic through Panama, including the West Indies and Hawaiian Islands / prepared by the Committee on Classification and Nomenclature of the American Ornithologists' Union - American Ornithologists' Union. (American Ornithologists' Union, 1983)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1910)

Checklist of birds listed in the CITES appendices and in EC Regulation 338/97 (2001)

Checklist of birds listed in the CITES appendices and in EC Regulation 338/97 (1999)

Checklist of the birds of Belize - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1986)

Checklist of the birds of Massachusetts - Massachusetts. Division of Fisheries; Wildlife. (Massachusetts Division of Fisheries & Wildlife, 1998)

A checklist of the vertebrate animals of Kansas - Collins, Joseph T. (Museum of Natural History, University of Kansas, 1991)

Checklists for the CORINE Biotopes Programme and its application in the PHARE countries of Central and East Europe: including comparisons with relevant conventions and agreements on the conservation of European species and habitats - WCMC (EC, 1994)

The chewing lice : world checklist and biological overview - Price, Roger D. (Illinois Natural History Survey, 2003)

The children's book of birds - Miller, Harriet Mann, 1831 -1918 (Houghton Mifflin Co, 1915)

A classification of Recent birds - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (American Museum of Natural History, 1951)

The classification of the olive warbler, Peucedramus taeniatus - George, William Gordon, 1925 - (American Museum of Natural History, 1962)

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

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

The collection of birds in the Shanghai Museum - La Touche, J. D. D. (John David Digues), 1861 -1935 (1909)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1959)

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

Colombia: La Lindosa, Capricho, Cerritos - Field Museum of Natural History. (The Field Museum, 2018)

Color key to North American birds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1903)

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 - Hewitson, William C. (William Chapman), 1806 -1878 (J. Van Voorst, 1856)

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)

The common raven - United States. Bureau of Land Management. (Washington, D.C, 1980)

Compendium der vergleichenden Anatomie : zum Gebrauche für Studierende der Medizin - Rawitz, Bernhard, 1857 - (Hartung, 1893)

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

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1913)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1920)

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

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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)

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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, 1963)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1964)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1967)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1969)

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, 1975)

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

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Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2010)

Contributions to the knowledge of the East African ornithology. Birds collected by the Swedish Mount Elgon Expedition 1920 - Granvik, Hugo, 1889 - (C. Blom, 1923)

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

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

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Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1961)

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)

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The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

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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)

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A determination of the economic status of the western meadow-lark (Sturnella neglecta) in California - Bryant, H. C. (Harold Child), 1886 -1968 (University of California press, 1914)