Contribution à l'étude des plantes utiles du Brésil - Brocadet, P. (Vigot, 1921)

Contribution à la flore de la Guadeloupe - Mazé, H. 1818 -1892 (Imprimerie du gouvernement, 1892)

Contribution to an evaluation of tree species using the new CITES Listing Criteria - WCMC (CITES, 1998)

A contribution to the botany of the Isle of Pines, Cuba, based upon the specimens of plants from that island contained in the herbarium of the Carnegie Museum under date of October, 1916 - Jennings, Otto E. (Otto Emery), 1877 -1964 (1917)

Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1911)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1891)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1909)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1913)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1911)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1919)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1927)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1962)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1964)

Contributions from the Herbarium of Columbia College - Columbia College (New York, N.Y.). Herbarium. (Columbia College, 1886)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1903)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1907)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1914)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1917)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1920)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1931)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1928)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1957)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1969)

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, 2003)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2004)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2006)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2008)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1942)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1966)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1972)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1973)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1990)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1999)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1990)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1996)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1965)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1973)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1987)

Contributions to an insect fauna of the Amazon Valley : Coleoptera–Longicornes : Part I. Lamiares - Bates, Henry Walter, 1825 -1892 (Taylor and Francis, 1861)

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1918)

Contributions to the geology and paleontology of the Canal Zone, Panama, and geologically related areas in Central America and the West Indies - United States National Museum (Govt. Print. Off, 1919)

Control of heredity; a study of the genesis of evolution and degeneracy - Redfield, Casper Lavater, 1853 -1943 (Monarch Book Company, 1903)

The control of life - Thomson, J. Arthur (John Arthur), 1861 -1933 (A. Melrose, 1921)

Control of the grape-berry moth in northern Ohio - Runner, G. A. (George Alfred), 1877 -1941 (U.S. Dept. of Agriculture, 1920)

The control of tomato leaf-spot - Pritchard, Frederick John, 1874 -1931 (U.S. Dept. of Agriculture, 1924)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1962)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1965)

Cosmos : ensayo de una descripciâon fâisica del mundo - Humboldt, Alexander von, 1769 -1859 (Imprenta de Gaspar y Poig, 1874)

Cosmos : revista ilustrada de artes y ciencias (Impr. y Fotocolografía del Cosmos, 1892)

Cosmos : a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Bell & Daldy, 1871)

Cosmos : a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (H.G. Bohn, 1849)

Cosmos : sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Brown, Green, and Longmans ... and John Murray, 1849)

Cosmos : a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Harper & Brothers, 1877)

Cosmos : a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Harper & Brothers, 1850)

Cosmos: a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (H.G. Bohn, 1849)

Cosmos: a sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Harper & Brothers, 1866)