Congrès international de sylviculture, tenu à Paris du 4 au 7 juin 1900, sous la présidence de M. Daubrée. Compte rendu détaillé - Congrès international de sylviculture, Paris, 1900 (Impr. nationale, 1900)

Congrès Scientifiques de France (1851)

Die Coniferen :nach Lambert, Loudon und Anderen - Antoine, Franz, 1815 -1886 (In Commission der F. Beck'schen Universitäts-Buchhandlung, 1841)

Die Coniferen und die Gnetaceen : eine morphologische Studie - Strasburger, Eduard, 1844 -1912 (H. Dabis, 1872)

Les Conifères. Monographie descriptive et raisonnée classée par ordre alphabétique de la collection complète des Conifères - Sénéclauze, Adrien. (Impr. générale de Ch. Lahure, 1867)

Coniferous evergreen seed, 1942 crop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richard V. Bausher, 1942)

Coniferous trees for profit & ornament : being a concise description of each species and variety, with the most recently approved nomenclature, list of synonyms, and best methods of cultivation - Webster, A. D. (Angus Duncan), 1855 -1931 (Constable and Co, 1918)

The conifers and taxads of Japan. Issued December 30, 1916 - Wilson, Ernest Henry, 1876 -1930 (University Press, 1916)

Conifers and their characteristics - Coltman-Rogers, Charles, 1854 - (J. Murray, 1920)

Conifers and their characteristics - Coltman-Rogers, Charles, 1854 - (Macmillan, 1920)

Conifers, broad-leaved evergreens, potted perennials, rock plants : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Guyencourt Nurseries, Inc, 1931)

The conifers of the northern Rockies - Kirkwood, J. E. (Joseph Edward), 1872 -1928 (Govt. print. off, 1918)

Connecticut Valley grown lining out stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.E. Wilson & Company, Inc, 1938)

Conservation assessment of sensitive moonworts (Ophioglossaceae; Botrychium subgenus Botrychium) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1997)

Conservation assessment of sensitive moonworts (Ophioglossaceae, Botrychium subgenus Botrychium) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1997)

Conservation hunting people and wildlife in Canada's north - Freeman, Milton M.R. 1934 - (CCI Press, 2005)

A contribution to a revision of the North American Hydnaceae - Banker, Howard J. (Howard James), 1866 -1940 (1906)

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

Contribution to the knowledge of the morphological value and the phylogeny of the ovule and its integuments - Haan, Henri Rudolph Mari de. (De Waal, 1920)

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

Contributions from the Department of Botany of Columbia University - Columbia University. Department of Botany (s.n.], 1896)

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

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1908)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1915)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1919)

Contributions from the Laboratory of Plant Genetics - Bussey Institution. ([s.n.], 1909)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1899)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1902)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1904)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1906)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1912)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1901)

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, 1919)

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, 1925)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2011)

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, 2001)

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

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1970)

Contributions to the botany of the Yukon Territory - Rydberg, Per Axel, 1860 -1931 (1901)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)