Author/Creator
- United States. Department of State. External Research Staff70
- United States. Agricultural Research Service58
- National Science Foundation (U.S.)44
- National Institutes of Health (U.S.)43
- National Cancer Institute (U.S.)21
- U.S. Atomic Energy Commission. ANL20
- United States. Department of Energy. Office of Energy Efficiency and Renewable Energy20
- National Science Foundation (U.S.). Division of Science Resources Studies18
- National Institute of Justice (U.S.)17
- Geological Survey (U.S.)16
- National Institute of Neurological and Communicative Disorders and Stroke15
- Argonne National Laboratory14
- Industrial Technologies Program (U.S.)14
- National Research Council of Canada14
- U.S. Atomic Energy Commission14
- United States. Department of State. External Research Division13
- United States. National Oceanic and Atmospheric Administration13
- National Renewable Energy Laboratory (U.S.)12
- United States. Department of Energy12
- United States. Department of State12