Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1932)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1939)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1920)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

How to know the immature insects; an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them - Zhu, Hongfu, 1913 - (W. C. Brown Co, 1949)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

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The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1973)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1978)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 2005)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1968)

Illinois trees and shrubs: their insect enemies - English, L. L. (Lester Lamar), 1899 - (Illinois Natural History Survey, 1976)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1965)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1958)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1962)

Illinois trees and shrubs: their insect enemies - English, Lester Lamar, 1899 - (1970)

An illustrated synopsis of the principal larval forms of the order Coleoptera - Böving, Adam Giede, 1869 -1957 (The Brooklyn Entomological Society, 1931)

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INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2019)

Insect attractants and traps - Illinois. Natural History Survey Division (Office of Agricultural Entomology, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service, 1990)

Insect enemies of eastern forests - Craighead, Frank C. (Frank Cooper), 1890 -1982 (U.S. Dept. of Agriculture, 1950)

Insect enemies of the peach in Illinois - Chandler, S. C. (Stewart Curtis), 1889 -1971 (1935)

Insect parasites and predators of insect pests - Clausen, Curtis P. (Curtis Paul), 1893 - (U.S. Dept. of Agriculture, 1935)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1922)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1923)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1924)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1926)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1927)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1928)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1929)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1930)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1931)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1932)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1933)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1934)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1936)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1937)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1938)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1939)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1940)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1941)

Insect pest survey bulletin - United States.: Bureau of Entomology (Washington, D.C. : Bureau of Entomology, U.S. Dept. of Agriculture, 1938)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1921)