Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1975)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1977)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1979)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1983)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1987)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1988)

Contributions to the biology of the Asian caddisfly family Limnocentropodidae (Trichoptera) - Royal Ontario Museum. (Royal Ontario Museum, 1969)

Contributions to the biology of the Danish Culicid - Wesenberg-Lund, C. (Carl), 1867 -1955 (A. F. Høst & søn, 1920)

Contributions to the biology of the Danish Culicidae - Wesenberg-Lund, C. (Carl), 1867 -1955 (A.F. Host & Son, 1920)

Contributions to the flora of Mentone, and to a winter flora of the Riviera, including the coast from Marseilles to Genoa - Moggridge, John Traherne, 1842 -1874 (L. Reeve, 1871)

Contributions to the systematics of the caddisfly family Limnephilidae (Trichoptera) I - Royal Ontario Museum. (Royal Ontario Museum, 1973)

Contributions to the systematics of the caddisfly family Molannidae in Asia (Trichoptera) - Royal Ontario Museum. (Royal Ontario Museum], 1968)

Control of roundheaded apple tree borer - Chandler, S. C. (Stewart Curtis), 1889 -1971 (1942)

Controlling peach insects in Illinois [by] S. C. Chandler [and] W. P. Flint - Chandler, S. C. (Stewart Curtis), 1889 -1971 (1939)

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, 1961)

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)

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

The Crambidæ of North America - Fernald, C. H. (Charles Henry), 1838 -1921 (Massachusetts Agricultural College, 1896)

The crane-flies of New York - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

The crane-flies of New York. Part II. Biology and phylogeny - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

Creation of wetland habitats in northeastern Illinois - Illinois. Dept. of Energy; Natural Resources. (Illinois Dept. of Energy and Natural Resources, 1982)

The crinoids of the Indian Ocean - Indian Museum. (Printed by order of the Trustees, 1912)

Crisopids d'Europa (ins. neur.) - Navás, Longinos, 1858 -1938 (Institut d'estudis catalans, 1915)

Critical Trends Assessment Program : 2001 report - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 2002)

Critical trends assessment Program 2002 report - Illinois. Dept. of Energy; Natural Resources. (Illinois Dept. of Energy and Natural Resources, Office of Realty and Environmental Palnning, 2003)

Critical trends assessment Program 2003-04 report - Illinois. Dept. of Energy; Natural Resources. (Illinois Dept. of Natural Resources, Office of Realty and Environmental Palnning, 2004)

Critical trends assessment program : keeping an eye on Illinois habitats - Illinois. Dept. of Natural Resources. (Illinois Natural History Survey, 2007)

Critical trends in Illinois ecosystems - Illinois. Natural History Survey Division (Office of Realty and Environmental Planning, 2001)

The crow and its relation to man - Kalmbach, E. R. (Edwin Richard), 1884 -1972 (U.S. Dept. of Agriculture, 1918)

Culture methods for invertebrate animals - Galtsoff, Paul S. (Paul Simon), 1887 -1979 (Dover Publications, 1959)

A Cumulative biological assessment of macroinvertebrate sites in the Custer National Forest Ashland Ranger District a report to the Custer National Forest, Ashland Ranger District - Stagliano, David M. (Montana Natural Heritage Program, 2010)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1958)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1959)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1957)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1960)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1961)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1963)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1964)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1965)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1966)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1967)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1968)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1969)

Current bibliography for fisheries science - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Biology Branch, Fisheries Division, Food and Agriculture Organization of the United Nations, 1958)