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, 1941)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1945)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1946)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1948)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1952)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1958)

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

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

Contributions from the herbarium of the Geological Survey of Canada - Geological Survey of Canada (s.n, 1896)

Contributions from the herbarium of the Geological Survey of Canada - Geological Survey of Canada (s.n.], 1894)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1961)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1909)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1891)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1897)

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, 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, 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, 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, 1968)

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, 2004)

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

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

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, 1939)

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, 1982)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2001)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2005)

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, 1990)

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

Contributions to Canadian natural history - Geological Survey of Canada (s.n.], 1860)

Contributions to Canadian natural history - Bell, Robert, 1841 -1917 (Lovell, 1860)

Contributions to North American Euphorbiaceae–VI. II. Vegetation of Alacran Reef - Millspaugh, Charles Frederick, 1854 -1923 (1916)

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 II-VI - Arthur, Joseph Charles, 1850 -1942 (1877)

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 flora of Siam - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

Contributions to the flora of Siam. by William Grant Craib Dicotyledones - Craib, William Grant, 1882 -1933 (Printed for the University of Aberdeen, 1912)

Contributions to the paleobotany of Peru, Bolivia and Chile; five papers - Berry, Edward Wilber, 1875 -1945 (The John Hopkins Press, 1922)

Contributions to the Queensland flora - Bailey, Frederick Manson 1827 -1915 (Anthony James Cumming, Govt. Printer, 1917)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1908)

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

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1930)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1935)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1959)

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, 1968)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1969)

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)

Cora Lee Young Nursery fall and spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cora Lee Young Nursery, 1930)

The corn field spider community : composition, structure, development and function - Plagens, Michael Joseph, 1954 - (1985)

Correspondence : Curtiss (Allen) and Engelmann (George), 1872-1882 - Curtiss, Allen Hiram, 1845 -1907 (1872)

Correspondence : Geyer (Karl) and Engelmann (George), 1843-1846 - Geyer, Karl Andreas, 1809 -1853 (1843)

[Correspondence with J. A. Baker, Agricultural Office, Butterworth] - Botanic Gardens (Singapore) (1933)

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)

The cottage gardeners' dictionary. Describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation - Johnson, George William, 1802 -1886 (W. S. Orr, 1852)

Cottage Gardens Company, Incorporated, Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Company, Incorporated, Nurseries, 1926)

The Cottage Gardens Nursery Book of specimen ornamental trees, evergreens and shrubs : a complete descriptive catalogue containing valuable information of where to plant, what to plant, when to plant, how to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Co, 1909)

The Country gentleman's magazine (S. Marshall & Co, 1868)

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

Creating outdoor beauty for your home by Fraser Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fraser Nurseries, Inc, 1930)

The Cretaceous flora of southern New York and New England - Hollick, Charles Arthur, 1857 -1933 (Govt. Print. Off, 1906)

The Cretaceous flora of southern New York, and New England - Hollick, Charles Arthur, 1857 -1933 (Govt. Print. Off, 1906)

Crittogamia agraria - Comes, O. (Orazio), 1848 -1917 (Marghieri, 1891)

Crop production. Annual report of the National research programs - United States. Science; Education Administration. (U.S. Dept. of Agriculture, Science and Education Administration, National Program Staff, 1978)

Cryptogam lists : China - Cheo, Shuh Yuen (1931)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1983)

Cryptogams of China - Cheo, Shuh Yuen (1931)