A compendium of the Cybele britannica; or British plants in their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (Longmans, Green, Reader & Dyer, 1870)

Complete seed annual and planter's guide for 1930 of Portland Seed Company Diamond quality seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1930)

Complete seed annual and planter's guide for 1931 of Portland Seed Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1931)

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, 1892)

Concord Nurseries catalog : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Concord Nurseries, 1908)

Condensed catalog : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Framingham Nurseries, 1930)

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)

A confidential talk about your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.G. Sutherland, 1925)

Coniferous forest habitat types of central and southern Utah - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Consolidated stand tables and biodiversity data base for Southwestern forest habitat types - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990)

Conspectus florae Europaeae. Supplementum I - Nyman, Carl Fredrik, 1820 -1893 (Typis Officinae Bohlinianae, 1883)

Conspectus florae groenlandicae - Lange, Johan, 1818 -1898 (I commission hos C.A. Reitzel, 1887)

Conspectus regni vegetabilis per gradus naturales evoluti. Tentamen - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (apud C. Cnobloch, 1828)

The constitution and by-laws of the Ann Arbor Scientific Association with the proceedings for the year ending May 1, 1876 - Ann Arbor Scientific Association. (Courier Steam Printing House, 1876)

Continuous bloom in America - Shelton, Louise. (C. Scribner's sons, 1915)

Continuous bloom in America; where, when, what, to plant, with other gardening suggestions - Shelton, Louise. (C. Scribner's sons, 1915)

Continuous bloom in America; where, when, what, to plant, with other gardening suggestions - Shelton, Louise, 1867 - (C. Scribner's Sons, 1915)

Contribuciones a la flora de Bolivia - Museo Nacional de Bolivia. (Tall. tip.-lit. de J. M. Gamarra, 1910)

Contribution [I]-III to the coastal and plain flora of Yucatan - Millspaugh, Charles Frederick, 1854 -1923 (1895)

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

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1916)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1917)

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, 1918)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1921)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1922)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1924)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1931)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1935)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1939)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1940)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1947)

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, 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, 1909)

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 New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1921)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1916)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1892)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1893)

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, 1909)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1912)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

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, 1931)

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, 1974)

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

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1917)

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

Contributions to Canadian biology : being studies from the Marine Biological Station of Canada - Biological Board of Canada. (s.n.], 1917)

Contributions to Canadian botany - Geological Survey of Canada (s.n, 1906)

Contributions to Canadian botany - Macoun, James Melville, 1862 -1920 ([s. n.], 1894)

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)

Contributions to the flora of Beaver County, from the Mansfield Herbarium, 1865-1903 - Mansfield, Ira Franklin, 1942 - (Tribune Printing, 1903)

Contributions to the flora of Iowa - Bessey, Charles E. (Charles Edwin), 1845 -1915 (1871)

Contributions to the flora of Iowa; a catalogue of the phaenogamous plants - Arthur, Joseph Charles, 1850 -1942 ("Intelligencer" Book Print, 1876)

Contributions to the flora of Iowa; a catalogue of the phaenogamous plants - Arthur, Joseph Charles, 1850 -1942 (Intelligencer Book Print, 1876)

Contributions to the natural history of Alaska. Results of investigations ... in the Yukon district and the Aleutian islands; conducted under the auspices of the Signal service, United States Army, extending from May, 1874, to August, 1881 ... - Turner, Lucien M. (Lucien McShan) (Govt. Print. Off, 1886)

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

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1910)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1929)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (Hodges, Smith, 1872)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (E. Ponsonby, 1898)

The coral reefs of the Maldives / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (Printed for the Museum, 1903)

Corliss Bros., Inc. Nurseries, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1937)

Corliss Bros., Inc. Nurseries, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1938)

Corliss' year book, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Incorporated, Nurseries, 1936)

The Cottage gardeners' dictionary : describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation ; with an alphabetical list of synonymes - Johnson, George William, 1802 -1886 (Henry G. Bohn, 1863)

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (Geo. E. Desbarats, 1871)