Author/Creator
- United States✖[remove]564
- United States. Superintendent of Documents186
- United States. National Highway Traffic Safety Administration22
- United States. Congress. Senate. Committee on Energy and Natural Resources21
- Flynn, Lois20
- United States. Federal Aviation Administration16
- United States. Office of Personnel Management. Library15
- Air Pollution Technical Information Center10
- United States. Department of the Army9
- United States. Environmental Protection Agency. Office of Research and Development7
- United States. Bureau of the Census6
- United States. Environmental Protection Agency6
- United States. Forest Service6
- United States. Bureau of Labor Statistics5
- United States. Department of State. Division of Library and Reference Services5
- United States. Department of State. External Research Division5
- United States. Federal Aviation Administration. Library Services Division4
- United States. National Marine Fisheries Service4
- American Geophysical Union3
- Carbide and Carbon Chemicals Company. Technical Information Dept3