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

Colombia, Perú : bajo Putumayo-Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Keller Science Action Center, 2021)

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

Coloured figures of the birds of the British Islands / issued by Lord Lilford - Salvin, Osbert, 1835 -1898 (R. H. Porter, 1885)

Coloured figures of the eggs of British birds : with descriptive notices - Sharpe, Richard Bowdler, 1847 -1909 (Pawson and Brailsford, 1896)

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 birds of Bombay - Aitken, Edward Hamilton, 1851 -1909 (Thacker, 1900)

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

Compendio della fauna italiana : descrizione elementare degli animali più parte originali - Camerano, Lorenzo, 1856 -1917 (Ditta G.B. Paravia e Comp, 1885)

Compendium der Helminthologie. Ein Verzeichniss der bekannten Helminthen, die frei oder in thierischen Körpern leben, geordnet nach ihren Wohnthieren, unter Angabe der Organe, in denen sie gefunden sind, und mit Beifügung der Litteraturquellen - Linstow, Otto von, 1842 -1916 (Hahn'sche Buchhandlung, 1878)

Compendium der Helminthologie : Nachtrag : die Litteratur der Jahre 1878-1889 - Linstow, Otto von, 1842 -1916 (Hahn'sche Buchhandlung, 1889)

Compendium of natural features information - Maryland. State Planning Dept. (The Department, 1975)

Compte rendu de l'expédition de Mistassini 1884-85 - Low, A. P. (Albert Peter), 1861 -1942 (s.n, 1885)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1901)

A concise handbook of British birds - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1896)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1903)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1915)

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)

A conservation strategy for the northern spotted owl - U.S. Fish; Wildlife Service ([U.S. Department of the Interior, Fish and Wildlife Service], 1990)

The continent we live on - Sanderson, Ivan Terence, 1911 -1973 (Random House, 1961)

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)

Contributions à la faune ornithologique de l'Europe occidentale : recueil comprenant les espèces d'oiseaux que se reproduisent dans cette région ou qui s'y montrent régulièrement de passage, augmenté de la description des principales espèces exotiques les plus voisines des indigènes ou susceptibles d'ètre confondues avec elles, ainsi que l'énumération des races domestiques - Olphe-Galliard, Léon, 1825 -1893 (L. Lasserre, 1889)

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, 1980)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1989)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1849)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1850)

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)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2000)

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

Contributions to the natural history of Alaska. Results of investigations ... in the Yukon district and the Aleutian islands; conducted under the auspices of the Signal service, United States Army, extending from May, 1874, to August, 1881 ... - Turner, Lucien M. (Lucien McShan) (Govt. Print. Off, 1886)

Contributions to the natural history of the Bermudas. Vol. I - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1884)

Control Lake timber sales : final environmental impact statement. Vol. I, EIS - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1998)

Control lake timber sales : supplement draft environmental impact statement - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Tongass National Forest, 1998)

Coral Reefs of the World (1988)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 1, the vertebrate animals and crustaceans - Couch, Jonathan, 1789 -1870 (Lake & Lake, 1838)

The correspondence of John Ray, consisting of selections from the philosophical letters published by Dr. Derham and original letters of John Ray in the collection of the British Museum - Ray, John, 1627 -1705 (Printed for the Ray Society, 1848)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1850)

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

The cruise of the Marchesa to Kamschatka & New Guinea : with notices of Formosa, Liu-Kiu, and various islands of the Malay archipelago - Guillemard, F. H. H. (Francis Henry Hill), 1852 -1933 (J. Murray, 1886)

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)

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

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1907)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1908)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1909)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1911)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1913)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1914)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1915)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1916)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1922)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1923)

The dates of publication of some of the zoological works of the late John Gould, F.R.S - Waterhouse, Frederick Herschel, 1845 -1919 (R. H. Porter, 1885)

Days out of doors - Abbott, Charles Conrad, 1843 -1919 (D. Appleton and company, 1889)

de han lin ye ming ci - Beijing lin xue yuan. 北京林学院 (ke xue chu ban she, 1958)

The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah. Part II - Stejneger, Leonhard, 1851 -1943 (Govt. print. off, 1893)

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, 1874)

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)

Descriptions of the rapacious birds of Great Britain - MacGillivray, William 1796 -1852 (Maclachlan & Stewart; [etc., etc.], 1836)

Deutsche Binnenfischerei und Deutsche Seefischerei. [Hrsg. vom Deutschen Fischerei-Verein.] - Reichsverband der Deutschen Fischerei (J. Neumann], 1906)

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

A dictionary of birds - Shufeldt, Robert Wilson 1850 -1934 (A. and C. Black, 1896)

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

A dictionary of useful animals and their products : a manual of ready reference for all those which are commercially important, and others which man has utilised : including also a glossary of trade and technical terms connected therewith - Simmonds, P. L. (Peter Lund), 1814 -1897 (E. & F.N. Spon, 1883)

De dieren van Nederland : Gewervelde dieren - Schlegel, H. (Hermann), 1804 -1884 (A.C. Kruseman, 1860)

A Directory of Neotropical Wetlands (1986)