Author/Creator
- United States✖[remove]5,717
- United States. Congress. Senate. Committee on Foreign Relations487
- United States. Environmental Protection Agency. Office of Research and Development405
- United States. National Aeronautics and Space Administration. Scientific and Technical Information Office354
- Industrial Environmental Research Laboratory (Research Triangle Park, N.C.)262
- United States. Bureau of Land Management, cartographer252
- National Operations Center (U.S.), editor243
- United States. Department of the Army219
- United States. Federal Highway Administration. Office of Research206
- United States. Federal Highway Administration. Office of Development186
- Industrial Environmental Research Laboratory (Cincinnati, Ohio)177
- Municipal Environmental Research Laboratory174
- Geological Survey (U.S.), distributor162
- Udell, Gilman G.88
- Robert S. Kerr Environmental Research Laboratory84
- Environmental Research Laboratories (U.S.)79
- Langley Research Center79
- United States. Federal Aviation Administration75
- United States. President (1977-1981 : Carter)72
- United States. Environmental Protection Agency66