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- Langley Research Center7
- United States7
- American Institute of Steel Construction6
- Miller, Charles G. (Charles George), 1940-5
- Wilder, Sue E.5
- Canada. Inland Waters Directorate. Western and Northern Region. Water Quality Branch4
- Himmelblau, David Mautner, 1923-4
- United States. National Air Pollution Control Administration. Division of Abatement. Federal Facilities Branch4
- Bolz, Ray E., 1918-3
- Canada. Environment Canada3
- Chemical Rubber Company3
- Gieck, Kurt3
- Global Environmental Monitoring System3
- Kraus, Barbara3
- National Institute for Occupational Safety and Health3
- Osborn, Frank C. (Frank Chittenden), 1857-19223
- Peter E. Palmquist Photography Collection (Beinecke Rare Book and Manuscript Library)3
- Russo, Robert S.3
- Tuve, George Lewis3
- United States. Environmental Protection Agency3