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

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, 1926)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1933)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1936)

Contributions to horticultural literature; being a selection of articles written for gardening periodicals, and papers read before various societies from 1843 to 1892. In three parts - Paul, William, 1822 -1905 (W. Paul & Son, 1892)

Contributions to horticultural literature; being a selection of articles written for gardening periodicals, and papers read before various societies, from 1843 to 1892 - Paul, William, 1822 -1905 (W. Paul & Son, 1892)

Contributions to systematic bryology : dedicated to Lewis E. Anderson - Anderson, Lewis E. (Lewis Edward), 1912 -2007 (Missouri Botanical Garden, 1985)

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)

Contributions towards a fauna and flora of the county of Cork, read at the meeting of the British association held at Cork in the year 1843 - Cuvierian Society of Cork. (J. Van Voorst, 1845)

Conversations on nature and art (Lea & Blanchard, 1839)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1958)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1966)

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)

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)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1885)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1887)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1865)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1881)

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

Cosmos : ensayo de una descripción física del mundo - Humboldt, Alexander von, 1769 -1859 (E. Perié, 1875)

Cosmos : essai d'une description physique du monde - Humboldt, Alexander von, 1769 -1859 (C. Turati, 1846)

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 (G. Bell, 1892)

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, 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)

Cosmos: a survey of the general physical history of the universe - Humboldt, Alexander von, 1769 -1859 (Harper & Brothers, 1845)

The Cottage gardener (W.S. Orr, 1849)

The Cottage gardener (W.S. Orr, 1850)

The Cottage gardener (W.S. Orr, 1851)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1855)

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, 1858)

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

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, Inc., Nurseries ; D. S. Ward, president - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Co., Inc., Nurseries, 1925)

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

Cottage Gardens Company, Incorporated, Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Company, Incorporated, Nurseries, 1924)

Cottage Gardens Company Incorporated Nurseries ; D.S. Ward, president - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens Co., Inc., Nurseries, 1922)

Crocket's annual spring blue book, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roderick M. Crocket & Co., Inc, 1929)

Crocket's blue book : alpines, perennials, seeds, bulbs : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roderick M. Crocket & Co., Inc, 1930)

Crocket's garden gems for 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roderick M. Crocket & Co., Inc, 1928)

Cronamere Alpine Nurseries, Inc. : acclimatized plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cronamere Alpine Nurseries, Inc, 1933)

The crops of the farm - Bowick, Thomas. (Bradbury, Agnew, 1886)

Cryptogamic plants of the USSR. (Flora sporovykh rastenii SSSR) - Botanicheskii institut im. V.L. Komarova ([Published for the National Science Foundation, Washington, D.C. by the Israel Program for Scientific Translations, 1970)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1980)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1988)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1980)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1983)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1984)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1985)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1988)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1989)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1990)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1994)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1993)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1991)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1992)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1995)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1998)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1997)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1983)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1985)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1995)

Cryptogamie. Mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1998)

The cultivated evergreens; a handbook of the coniferous and most important broad-leaved evergreens planted for ornament in the United States and Canada - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1923)

The cultivator : a monthly publication, devoted to agriculture - New York State Agricultural Society. (Published by New York State Agricultural Society, 1834)

Die Cultur der Alpenpflanzen - Kerner von Marilaun, Anton, 1831 -1898 (Wagner, 1864)

Die culturpflanzen Norwegens - Schübeler, F. C. (Frederik Christian), 1815 -1892 (Gedruckt bei Brøgger & Christie, 1862)

Cybele Britannica : or British Plants and their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (1847)

Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Doubleday, Page & Company, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)