Author
United States Internal Revenue Service
78
United States Federal Aviation Administration
50
United States Coast Guard
46
United States Federal Highway Administration
46
United States National Highway Traffic Safety Administration
38
United States Environmental Protection Agency. Office of Solid Waste and Emergency Response
31
Center for Environmental Research Information (U.S.)
30
United States Department of Transportation
26
United States Environmental Protection Agency. Office of Emergency and Remedial Response
26
United States Environmental Protection Agency. Office of Water
23
United States Environmental Protection Agency
22
Risk Reduction Engineering Laboratory (U.S.)
21
United States Environmental Protection Agency. Office of Research and Development
20
National Highway Institute (U.S.)
19
Sallie Bingham Center for Women's History and Culture
19
United States Mine Safety and Health Administration
18
United States Bureau of Reclamation
17
United States Occupational Safety and Health Administration
17
United States Patent and Trademark Office
15
National Mine Health and Safety Academy
12
Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library)
11
United States Department of Energy
11
United States Department of Housing and Urban Development. Office of Policy Development and Research
11
American Association of State Highway and Transportation Officials
10
Culinary Collection (University of Pennsylvania)
10
E. & F.N. Spon
10
Lindeburg, Michael R
10
Massachusetts Institute of Technology
10
National Institute of Standards and Technology (U.S.)
10
United States Federal Transit Administration
10
European Cooperation for Space Standardization
9
European Cooperation for Space Standardization Secretariat
9
European Space Research and Technology Centre Requirements & Standards Division
9
J.J. Keller & Associates
9
North Carolina Real Estate Commission
9
Stephen Prigozy Telegraph Collection
9
U.S. Customs Service
9
United States Army. Corps of Engineers
9
United States Department of Transportation. Research and Special Programs Administration
9
Danielson, John A
8
Eastern Research Group, Inc
8
Epstean Collection of Books on Photography and Its Applications in the Graphic Arts (Columbia University. Rare Book and Manuscript Library)
8
Fisher, Phillip T
8
Hazardous Waste Engineering Research Laboratory
8
McGraw-Hill Information Systems Company
8
Miller, Richard K (Richard Kendall), 1946-
8
Piepkorn, Mark
8
Roberts, Robert
8
Scarbrough, James E
8
United States Department of the Army
8
more ...