Bulletin - Peabody Museum of Natural History. (The Museum, 1969)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1892)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1899)

Bulletin scientifique du Département du Nord et des pays voisins (Impr. de Six-Horemans, 1887)

Bulletin - Smithsonian Institution. (G.P.O, 1932)

Bulletin - Smithsonian Institution. (G.P.O, 1939)

Bulletin - Smithsonian Institution. (G.P.O, 1945)

Bulletin - Smithsonian Institution. (G.P.O, 1948)

Bulletin - Smithsonian Institution. (G.P.O, 1950)

Bulletin - Smithsonian Institution. (G.P.O, 1959)

Bulletin - Smithsonian Institution. (G.P.O, 1963)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1978)

Butterfly-hunting in many lands : notes of a field naturalist - Poulton, Edward Bagnall, Sir, 1856 -1943 (Longmans, Green, and co, 1912)

C. Dumeril's, Doctors und Professors an der medicinischen Schule zu Paris, Analytische Zoologie - Duméril, C. (Constant), 1774 -1860 (Im Verlage des Landes-Industrie-Comptoirs, 1806)

Cage birds and bird world (F. Carl, 1910)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1991)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Wheldon & Wesley, 1896)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1901)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1909)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1902)

El Campo del Cielo (Territorio del Chaco) : extracto de un informe presentado - Burmeister, Hermann, 1807 -1892 (J. Peuser, 1899)

Camps in the Caribbees: the adventures of a naturalist in the Lesser Antilles - Ober, Frederick A. (Frederick Albion), 1849 -1913 (Lee and Shepard, 1880)

Camps in the Caribbees : the adventures of a naturalist in the Lesser Antilles - Lawrence, George N. (George Newbold), 1806 -1895 (Lee and Shepard, 1899)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carl von Linné, Vollständiges Natursystem - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolas Raspe, 1773)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1907)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1930)

Caroli a Linné ... Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species; cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (apud J.B. Delamolliere, 1789)

Caroli a Linné ... Amoenitates academicae : seu Dissertationes variae physicae, medicae botanicae antehac seorsim editae nunc collectae et auctae cum tabulis aeneis - Schreber, Johann Christian Daniel, 1739 -1810 (Sumtu Jo. Jacobi Palm, 1787)

Caroli a Linné ... Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Impensis direct. Laurentii Salvii, 1767)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Impensis Georg. Emanuel. Beer, 1788)

Caroli Linnaei ... Systema naturae : per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis et sumtibus Io. Iac. Curt, 1760)

Caroli Linnaei ... Systema naturae sistens regna tria naturae, in classes et ordines, genera et species redacta, tabulisque aeneis illustrata. Accedunt vocabula Gallica - Linné, Carl von, 1707 -1778 (Apud T. Haak, 1756)

Caroli a Linné Systema naturae ex editione duodecima in epitomen redactum et praelectionibus academicis accommodatum a Iohanne Beckmanno - Linné, Carl von, 1707 -1778 (svmtv. vidvae Vandenhoeck, 1772)

Caroli a Linné. Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (impensis Georg. Emanuel. Beer, 1788)

Caroli Marini Giltay, Roterdamensis, medicinae in Academia Lugduni-Batava studiosi, Commentatio de Esoce Lucio : neurologice descripto et cum reliquis vertebratis animalibus comparto - Giltay, Carel Marinus. (Apud S. et J. Luchtmans, 1832)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell, Petter & Galpin, 1876)

Cassell's natural history - Duncan, F. Martin (Francis Martin), 1873 -1961 (Cassell and Co, 1913)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1896)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1891)

The cat : an introduction to the study of backboned animals, especially mammals - Mivart, St. George Jackson, 1827 -1900 (Scribner's, 1881)

The cat : an introduction to the study of backboned animals, especially mammals - Mivart, St. George Jackson, 1827 -1900 (J. Murray, 1881)

The cat; an introduction to the study of backboned animals, especially mammals - Mivart, St. George Jackson, 1827 -1900 (Murray, 1881)

Catálogo de la colección de reptiles y batracios del Museo Nacional - Herrera, Alfonso L., 1868 -1942 (Imprenta del Museo Nacional, 1895)

Catálogo de los objetos remitidos por los Estados de la Federación, Distrito Federal, territorios de la República Mexicana y por particulares para la Exposición Mexicana en París (Oficina Tip. de la Secretaría de Fomento, 1889)

Catálogo sistemático de toda la fauna de Filipinas conocida hasta el presente - Elera, Casto de, 1852 - (Imprenta del colegio de Santo Tomás, 1896)

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

A catalogue of Australian fossils : including Tasmania and the Island of Timor : stratigraphically and zoologically arranged - Etheridge, Robert, 1846 -1920 (University Press, 1878)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1948)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1949)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1929)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1937)