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Author/Creator
- Geological Survey (U.S.)282
- United States199
- Library of Congress. Congressional Research Service127
- National Water-Quality Assessment Program (U.S.)107
- American Chemical Society. Division of Agrochemicals, sponsoring body97
- Geological Survey (U.S.), issuing body97
- United States. General Accounting Office92
- United States. Environmental Protection Agency. Office of Pesticide Programs82
- United States. Environmental Protection Agency79
- United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations, Research, and Foreign Agriculture63
- Food and Agriculture Organization of the United Nations62
- United States. Environmental Protection Agency. Prevention, Pesticides, and Toxic Substances54
- World Health Organization53
- Carson, Rachel, 1907-196446
- United States. Environmental Protection Agency. Office of Pesticides and Toxic Substances39
- United States. Congress. House37
- United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry35
- United States. Environmental Protection Agency. Office of Research and Development34
- U.S. Fish and Wildlife Service32
- United States. Agricultural Research Service32