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, 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, 1907)

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, 1890)

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, 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, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1908)

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, 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, 1957)

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

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1970)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1975)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1983)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions to botany : iconographic and descriptive detailing the character of plants that are either new or imperfectly described, to which are added remarks on their affinities - Miers, John, 1789 -1879 (Williams and Norgate, 1851)

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 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 (1935)

Coral Reefs of the World (1988)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 3, Containing the zoophytes and calcareous corallines - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1844)

A Cornish fauna : being a compendium of the natural history of the county intended to form a companion to the collection in the Royal Institution of Cornwall / by J. Couch [and Richard Q. Couch]. pt. 3 - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1844)

Correspondence : Bruhin (Thomas) and Engelmann (George), 1874-1881 - Bruhin, Thomas A. (Thomas Aquinas), 1835 -1895 (1874)

Correspondence : Fendler (Augustus) and Engelmann (George) - Fendler, Augustus, 1813 -1883 (1846)

Correspondence : Guedeney and Engelmann (George), 1870 - Guedeney. (1870)

Correspondence : Haage & Schmidt and Engelmann (George), 1865-1881 - Haage & Schmidt. (1865)

Correspondence : Heiden (Friedrich) and Engelmann (George), 1880-1881 - Heiden, Friedr. von der (Friedrich). (1880)

Correspondence : Jacobi (Georg) and Engelmann (George), 1855-1871 - Jacobi, Georg Albano von 1805 -1874 (1855)