Author/Creator
- Forest Products Laboratory (U.S.)45
- United States40
- United States. Department of the Army28
- Geological Survey (U.S.)25
- United States. Federal Aviation Administration22
- United States. Small Business Administration. Management Assistance Division. Support Services Section20
- Feltis, R. D. (Richard D.), 1930-17
- Centers for Disease Control (U.S.)12
- Peace Corps (U.S.)12
- United States. National Park Service12
- North Central Forest Experiment Station (Saint Paul, Minn.)10
- United States. Forest Service10
- United States. State and Private Forestry10
- American University (Washington, D.C.). Foreign Area Studies9
- Center for Health Promotion and Education (U.S.)9
- National Institutes of Health (U.S.)9
- United States. Bureau of the Census. Population Division9
- United States. Social Security Administration9
- National Center for Health Statistics (U.S.). Division of Health Care Statistics8
- United States. International Trade Administration8