Author/Creator
- United States667
- United States. National Aeronautics and Space Administration200
- National Institutes of Health (U.S.)156
- Geological Survey (U.S.)107
- Risk Reduction Engineering Laboratory (U.S.)106
- National Cancer Institute (U.S.)88
- United States. Department of State. External Research Staff71
- National Science Foundation (U.S.)68
- United States. Department of State66
- United States. Bureau of Commercial Fisheries62
- U.S. Fish and Wildlife Service54
- Langley Research Center52
- National Institute of Justice (U.S.)52
- United States. Congress. Office of Technology Assessment52
- Looby, Gwen P.48
- United States. Environmental Protection Agency. Office of Research and Development47
- United States. Congress. Senate. Committee on Appropriations. Subcommittee on Departments of Labor, Health and Human Services, Education, and Related Agencies43
- United States. General Accounting Office42
- Goddard Space Flight Center39
- Lewis Research Center38