Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 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, 1957)

Contributions to the Queensland flora - Bailey, Frederick Manson 1827 -1915 (Anthony James Cumming, Govt. Printer, 1890)

The control of damping-off of coniferous seedlings - Hartley, Carl (Carl Pierce), 1887 - (U.S. Dept. of Agriculture, 1917)

Control of decay in pulp and pulp wood - United States. Bureau of Plant Industry. (U.S. Dept. of Agriculture, 1925)

The control of sap-stain, mold, and incipient decay in green wood, with special reference to vehicle stock - Forest Products Laboratory (U.S.) (U.S. Dept. of Agriculture, 1922)

The control of sap-stain, mold, and incipient decay in green wood with special reference to vehicle stock - Howard, Nathaniel Orson, 1880 - (Govt. print. off, 1922)

Control series bulletin - Massachusetts Agricultural Experiment Station. (University of Massachusetts, 1914)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1964)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1965)

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)

Cooperative plant pest report - United States. Animal; Plant Health Inspection Service. (The Service, 1976)