Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1887)

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, 1862)

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, 1851)

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, 1889)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1854)

Conchologie néogénique de l'Aquitaine - Cossmann, M. (Maurice), 1850 -1924 (Impr. A. Saugnac, 1909)

Condensed catalogue and price list 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern California Acclimatizing Association, 1908)

Condensed spring and autumn bulb catalogue : bulbs for spring, summer and fall planting, for summer, autumn and spring blooming - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paradise Gardens, 1931)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1973)

Considérations générales sur l'ordre naturel des animaux composant les classes des crustacès, des arachnides, et des insectes; avec un tableau méthodique de leurs genres, disposés en familles - Latreille, P. A. (Pierre André), 1762 -1833 (F. Schoell, 1810)

Contribution à la faune malacologique de l'Afrique occidentale - Société Linnéenne de Bordeaux. (Y. Cadoret, 1910)

A contribution to American thalassography; three cruises of the United States Coast and geodetic survey steamer "Blake," in the Gulf of Mexico, in the Caribbean Sea, and along the Atlantic coast of the United States, from 1877 to 1800 - U.S. Coast; Geodetic Survey (Houghton, Mifflin, 1888)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1923)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2000)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2005)

Contributions to the knowledge of the germination of some North American plants - Holm, Theodor (Herman Theodor), 1854 -1932 (1891)

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1860)

Contributions to the Tertiary fauna of Florida, with especial reference to the Miocene silex-beds of Tampa and the Pliocene beds of the Calooshatchie River - Dall, William Healey, 1845 -1927 (1903)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Cosmos / Revue encyclopédique hebdomadaire des progrès.des sciences (1856)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1854)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1856)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1857)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1859)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1860)

Cottage Rose Garden : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G. Drobisch, 1901)

Cretaceous fauna of southern India - Stoliczka, Ferdinand, 1838 -1874 (Geological Survey Office, 1871)

Crop 1934, 20% discount - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M. van Waveren & Sons, Inc, 1934)

Die Ctenophoren der Siboga-Expedition - Moser, Fanny. (E.J. Brill, 1903)

Die ctenophoren des golfes von Neapel und der angrenzenden meeres-abschnitte - Chun, Carl, 1852 -1914 (W. Engelmann, 1880)