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)

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

Crustacea of Lake Titicaca - Faxon, Walter, 1848 -1920 (the Museum, 1876)

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

Department bulletin - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1913)

A determination of the economic status of the western meadow-lark (Sturnella neglecta) in California - Bryant, H. C. (Harold Child), 1886 -1968 (University of California press, 1914)

Deutsche entomologische National-Bibliothek : [Rundschau im Gebiete der Insektenkunde mit besonderer Berücksichtigung der Literatur] - Deutsches Entomologisches National-Museum (Germany) (Deutsches Entomologischen National-Museum, 1911)

Differential feeding on barley varieties by grasshoppers - McBean, D. S., (University of Alberta, 1948)

Dimorphism studies in adult spermatozoa of insecta - Faust, Ernest Carroll, 1890 -1978 (1914)

Distribution maps of some insect pests in the United States - United States. Plant Pest Control Division. (Plant Pest Control Division, Agricultural Research Service, 1959)

The distribution of insects in New Hampshire. A chapter from the first volume of the final reportupon the Geology of New Hampshire - Scudder, Samuel Hubbard, 1837 -1911 (E.A. Jenks, state printer, 1874)

Eastern forest insects - Baker, Whiteford L. (Whiteford Lee), 1903 -1985 (U.S. Dept. of Agriculture, Forest Service, 1972)

An ecological study of prairie and forest invertebrates - Adams, Charles C. (Charles Christopher), 1873 -1955 (1915)

An ecological study of prairie and forest invertebrates - Adams, Charles C. (Charles Christopher), 1873 -1955 (Illinois State Laboratory of Natural History, 1915)

An ecological survey in northern Michigan - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford co., state printers, 1906)

An ecological survey of Isle Royale, Lake Superior - Adams, Charles C. (Charles Christopher), 1873 -1955 (Wynkoop Hallenbeck Crawford Co., State Printers, 1909)

The Ecology of arboreal folivores : a symposium held at the Conservation and Research Center, National Zoological Park, Smithsonian Institution, May 29-31, 1975 - Montgomery, G. Gene (Gerald Gene) (Smithsonian Institution Press, 1978)

Ecology of the aspen parkland of western Canada in relation to land use - Bird, Ralph Durham, 1901 -1972 (Research Branch, Canada Dept. of Agriculture, 1961)

Economic entomology - Eberhart, Noble Murray, 1870 - (Flanagan, 1893)

Economic entomology for the farmer... - Smith, John Bernhard, 1858 -1912 (1896)

Economic entomology for the farmer and fruit-grower - Smith, John Bernhard, 1858 -1912 (J. B. Lippincott company, 1906)

Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges - Smith, John Bernhard, 1858 -1912 (J.B. Lippincott company, 1906)

Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges - Smith, John Bernhard, 1858 -1912 (Lippincott, 1896)

Economic entomology for the farmer and fruit-grower and for use as a text-book in agricultural schools and colleges - Smith, John Bernhard, 1858 -1912 (J. B. Lippincott Co, 1896)

Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges - Smith, John Bernhard, 1858 -1912 (J.B. Lippincott co, 1906)

Economic value of the starling in the United States - Kalmbach, E. R. (Edwin Richard), 1884 -1972 (U.S. Dept. of Agriculture, 1921)