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Pests have enemies too : teaching young scientists about biological control - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1995)

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Phasmid studies - Phasmid Study Group. (Phasmid Study Group, 1999)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1991)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2012)

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The physiology of insect senses - Dethier, V. G. (Vincent Gaston), 1915 - (Methuen, 1963)

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Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant pest handbook for Connecticut - Britton, Wilton Everett, 1868 -1939 (Connecticut Agricultural Experiment Station, 1933)

Plant-quarantine import restrictions of Algeria - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1953)

Plant-quarantine import restrictions of India - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1952)

Plant-quarantine import restrictions of New Zealand - United States. Office of Experiment Stations. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949)

Plant quarantine import restrictions of the Dominican Republic - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936)

Plant-quarantine import restrictions of the Kingdom of Denmark - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1936)

Plant-quarantine import restrictions of the Kingdom of Egypt - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946)

Plant-quarantine import restrictions of the Kingdom of Egypt - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937)

Plant-quarantine import restrictions of the Republic of Poland - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1934)

Plant-quarantine import restrictions of the Republic of Portugal - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936)

Plant-quarantine import restrictions of the Republic of Spain - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936)

Plant-quarantine import restrictions of the Union of Soviet Socialist Republics - United States. Office of Experiment Stations. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937)

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Plants tested for or reported to possess insecticidal properties - McIndoo, N. E. (Norman Eugene), 1881 -1956 (U.S. Dept. of Agriculture, 1924)

The potato - Dean, Daniel (The Macmillan Company, 1917)

The potato - Dean, Daniel (Macmillan, 1917)

The potato : a compilation of information from every available source - Grubb, E. H. (Doubleday, Page & Co, 1912)

The potato : a compilation of information from every available source - Guilford, William Sumner, 1882 - (Doubleday, Page, 1912)

Potatoes, a money crop, how to grow, fertilize, spray and harvest them at a profit - Leavens, George D., (Coe-Mortimer Co, 1914)

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