The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1921)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1946)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1957)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1963)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1976)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1989)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2014)

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)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1914)

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

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

Catalogue des coléoptères de la chaîne des Vosges et des régions limitrophes - Bourgeois, Jules, 1847 -1911 (Decker, 1897)

Catalogue of New York reptiles and batrachians - Eckel, Edwin Clarence, 1875 - (University of the state of New York, 1902)

Catalogue of the Batrachia Gradientia s. Caudata and Batrachia Apoda in the collection of the British Museum - Boulenger, George Albert 1858 -1937 (Printed by order of the Trustees, 1882)

Catalogue of the Batrachia Salientia s. Ecaudata in the ... British Museum - Boulenger, George Albert 1858 -1937 (1882)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1985)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1990)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1991)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 2020)

A check list of North American amphibians and reptiles - Stejneger, Leonhard, 1851 -1943 (Harvard University Press, 1917)

A check list of North American amphibians and reptiles - Stejneger, Leonhard, 1851 -1943 (Harvard University Press ; [etc., etc.], 1923)

A check list of North American amphibians and reptiles - Stejneger, Leonhard, 1851 -1943 (Harvard University Press, 1933)

Check-list of North American Batrachia and Reptilia with a systematic list of the higher groups and an essay on geographical distribution, based on the specimens contained in the U. S. National Museum - Cope, E. D. (Edward Drinker), 1840 -1897 (G.P.O, 1875)

Check-list of the amphibians and reptiles of Canada and Alaska - Royal Ontario Museum. (Royal Ontario Museum, 1955)

Check list of the amphibians and reptiles of Canada and Alaska - Logier, E. B. S. (Eugene Bernard Shelley), 1893 -1979 (Royal Ontario Museum, 1961)

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 chordates - Rand, Herbert W. (Herbert Wilbur), 1872 -1960 (Blakiston, 1950)

Chromosome evolution in selected treefrogs, including casque-headed species (Pternohyla, Triprion, Hyla, and Smilisca) - Cole, Charles J. (American Museum of Natural History, 1974)

A classification of vertebrata, recent and extinct - Gadow, Hans, 1855 -1928 (Black, 1898)

The coal measures Amphibia of North America - Moodie, Roy Lee, 1880 -1934 (Carnegie Institution of Washington, 1916)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1918)

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)

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

Comparative anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son, 1936)

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

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2005)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

The Conservation Atlas of Tropical Forests: the Americas (1996)

A contribution to the zoögeography of the East Indian islands / by Thomas Barbour - Barbour, Thomas, 1884 -1946 (Printed for the Museum, 1912)

A contribution to the zoögeography of the East Indian islands - Harvard University. Museum of Comparative Zoology. (printed for the Museum, 1912)

Contributions in quaternary vertebrate paleontology: a volume in memorial to John E. Guilday - Genoways, Hugh H. (Carnegie Museum of Natural History, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1966)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1968)

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, 1976)

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

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2012)

Contributions to Texan herpetology - Strecker, John K. (John Kern), 1875 -1933 (1909)

Copeia - American Society of Ichthyologists; Herpetologists (American Society of Ichthyologists and Herpetologists, 1914)

The cranial nerves of Amphibia / By Oliver Smith Strong - Strong, Oliver Smith, 1864 -1951 (Ginn & company, 1895)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1959)

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, 1970)

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)

Current herpetology - Nihon Hachu Ryoseirui Gakkai. (The Herpetological Society of Japan, 1964)

Current herpetology - Nihon Hachu Ryoseirui Gakkai. (The Herpetological Society of Japan, 2001)

Current herpetology - Nihon Hachu Ryoseirui Gakkai. (The Herpetological Society of Japan, 2002)

Current herpetology - Nihon Hachu Ryoseirui Gakkai. (The Herpetological Society of Japan, 2003)

Darwin and modern science : essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Darwin, Charles, 1809 -1882 (At the University Press, 1910)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species. Edited for the Cambridge Philosophical Society and the Syndics of the University press - Darwin, Charles, 1809 -1882 (University Press, 1910)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Seward, A. C. (Albert Charles), 1863 -1941 (University press, 1909)

Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species - Seward, A. C. (Albert Charles), 1863 -1941 (University Press, 1909)

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, 1900)

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, 1902)

Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Fischer, 1913)

Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Fischer, 1894)

Description of the tadpoles of Gastrophryne pictiventris and Nelsonophryne aterrima (Anura, Microhylidae) : with a review of morphological variation in free-swimming microhylid larvae - De Sá, Rafael O. (Rafael Omar) (American Museum of Natural History, 1990)

Der deutschen Heimat Kriechtiere und Lurche - Zimmermann, Rudolf (F. Lehmann, 1908)

Deutschlands Amphibien und Reptilien. Eine Beschreibung und Schilderung sämmtlicher in Deutschland und den angrenzenden Gebietan vrokommenden Lurche und Kreichthiere - Dürigen, Bruno, 1853 - (Creutz'sche Verlagsbuchhandlung, 1897)

A directory of Illinois systematists and ecologists - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

A directory of Illinois systematists, ecologists, and field biologists - Robertson, Kenneth Ray, 1941 - ([Section of Botany and Plant Pathology, Illinois Natural History Survey], 1989)

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)

Discovery of a defensively malodorous and nocturnal frog in the family Dendrobatidae : phylogenetic significance of a new genus and species from the Venezuelan Andes - Myers, Charles W. (American Museum of Natural History, 1991)

Distribution and call parameters of Hyla chrysoscelis and Hyla versicolor in Michigan - Royal Ontario Museum. (Royal Ontario Museum, 1979)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Constable & Co, 1911)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Constable, 1911)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Macmillan, 1912)