Author/Creator
- United States1,349
- United States. General Accounting Office438
- U.S. Consumer Product Safety Commission369
- U.S. Nuclear Regulatory Commission. Office of Nuclear Reactor Regulation305
- United States. Occupational Safety and Health Administration296
- ebrary, Inc296
- National Institute for Occupational Safety and Health285
- United States. Department of State215
- United States. Government Accountability Office207
- United States. National Highway Traffic Safety Administration198
- U.S. Nuclear Regulatory Commission170
- United States. Federal Aviation Administration169
- United States. Department of State, issuing body156
- U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research154
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation129
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation126
- United States, participant in treaty124
- United States. Occupational Safety and Health Administration, issuing body117
- United States. Congress. House113
- United States. Coast Guard108