The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1960)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1969)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1972)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1978)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1986)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

Canadian journal of agricultural science

Canaries in the catbird seat : the past, present, and future of biological resources in a changing environment - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2009)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 1997)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 1998)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2008)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2017)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2019)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2022)

A catalog and bibliography of the Buprestoidea of America north of Mexico - Nelson, Gayle H (Coleopterists Society, 2008)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogue of injurious insects in Japan (exclusive of animal parasites) - Shiraki, Tokuichi, 1882 -1970. (1952)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1913)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1940)

Catalogue of the Ephydridae, with bibliography and description of new species - Jones, Burle J. (Burle Jackson), 1880 -1978 (W. W. Shannon, supt. state printing, 1906)

Catalogue of the Hemiptera (Heteroptera) with biological and anatomical references, lists of foodplants and parasites, etc. prefaced by a discussion on nomenclature, and an analytical table of families - Kirkaldy, George Willis, 1873 -1910 (F. L. Dames, 1909)

Catalogue of the Hemiptera of America north of Mexico, excepting the Aphididae, Coccidae and Aleurodidae - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Univ. of Cal. Press, 1917)

Catalogue of the Hemiptera of American north of Mexico, excepting the Aphididae, Coccidae and Aleurodidae - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (University of California press, 1917)

Catalogue of the specimens of heteropterous-Hemiptera in the collection of the British museum - Gray, John Edward, 1800 -1875 (Printed for the Trustees of the British Museum, 1873)

Catalogus hemipterorum - Dohrn, Anton, 1840 -1909 (Buchdruckerei von Herrcke & Lebeling, 1859)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

A century of biological research - Mills, Harlow B. (Harlow Burgess), 1906 -1971 (Illinois Natural History Survey, 1958)

A century of progress in the natural sciences, 1853-1953 - California Academy of Sciences (1955)

The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project - Illinois. Dept. of Energy; Natural Resources. (Ill. Dept. of Energy and Natural Resources, 1994)

Check-list and bibliography on the occurrence of insects in birds' nests - Hicks, Ellis A. (Iowa State College Press, 1959)

Check list of the Hemiptera (excepting the Aphidid, Aleurodid and Coccid) of America, north of Mexico - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (New York Entomological Society, 1916)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (Printed for the State Geological and Natural History Survey, 1920)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (State Geological and Natural History Survey, 1920)

Chenopodiaceae and Amaranthaceae of New York State - New York State Museum. (University of the State of New York, State Education Dept, 1992)

Classification and evolution of the Oraseminae in the old world, including revisions of two closely related genera of Eucharitinae (Hymenoptera: Eucharitidae) - Royal Ontario Museum. (Royal Ontario Museum, 1994)

Coccidologist's newsletter - Systematic Entomology Laboratory (U.S.) (ARS, Systematic Entomology Laboratory, 1973)

Collection of entomopathogenic fungal cultures : catalog of strains - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, 1992)