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- Time-Life Books25
- Resources for the Future7
- American Association for the Advancement of Science6
- American Chemical Society. Division of Pesticide Chemistry6
- Pyne, Stephen J., 1949-5
- Allen, Oliver E.4
- American Chemical Society. Division of Agricultural and Food Chemistry4
- American Chemical Society. Division of Agrochemicals4
- Foster, Catharine Osgood, 1907-4
- Hedin, Paul A. (Paul Arthur), 1926-20054
- Morris, Desmond4
- World Bank4
- Center for American Places3
- Clawson, Marion, 1905-3
- Derr, Mark3
- Heiser, Charles Bixler, 1920-3
- Herriot, James3
- Hillel, Daniel3
- International Development Research Centre (Canada)3
- Jellicoe, Geoffrey Alan, 1900-3