• 1 DVDs
• 1 VHS Videocassettes

• 1 Animal behavior
• 1 Animal intelligence
• 1 Biological control
• 1 Carson, Rachel, 1907-1964
• 1 Cognition in animals
• 1 Ecology
• 1 Environmental Health
• 1 Environmental Pollution
• 1 Environmental aspects
• 1 Food crops
• 1 Germplasm resources
• 1 Germplasm resources, Plant
• 1 Insect Control
• 1 Insect pests
• 1 Pesticides
• 1 Pesticides and wildlife
• 1 Plant breeding
• 1 Plant genetics
• 1 Seeds
• 1 Silent spring
• 1 Toxicology
• 1 adverse effects

• 1 Bicks, Michael
• 1 Carson, Rachel, 1907-1964
• 1 Chadwick, Alex, 1947-
• 1 Chedd-Angier Production Company
• 1 Coronet (Firm)
• 1 Goodwin, Neil
• 1 KCET (Television station : Los Angeles, Calif.)
• 1 McCullough, David G
• 1 PBS Distribution (Firm)
• 1 PBS Video
• 1 Peace River Films
• 1 Pogue, David, 1963-
• 1 Public Broadcasting Service (U.S.)
• 1 Strachan, Anna Lee
• 1 Streep, Meryl
• 1 WGBH Educational Foundation
• 1 WNET (Television station : New York, N.Y.)

• 3 English

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