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- Smithsonian Institution. Press8
- United States. Agricultural Research Service6
- Cullen, William, 1710-17905
- Geological Survey (U.S.)5
- United States. Congress. House. Committee on the Civil Service5
- United States. Congress. Senate. Committee on Interstate Commerce5
- Pacific Northwest Research Station (Portland, Or.)4
- Standards Development Center (United States. Office of Personnel Management)4
- United States. National Marine Fisheries Service4
- Armstrong Laboratory (U.S.)3
- Boissier de la Croix de Sauvages, François, 1706-17673
- Intermountain Research Station (Ogden, Utah)3
- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)3
- Robinson, Harold Ernest, 1932-3
- Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)3
- SEER Program (National Cancer Institute (U.S.))3
- Air Force Human Resources Laboratory2
- Alaska Fisheries Science Center (U.S.)2
- Baker, David C.2
- Brown, Michael A. (Michael Arthur), 1938-2