Creator
- U.S. Lithograph Co1
- Underhill, Jack A.1
- Underwood & Underwood2
- United Negro and Allied Veterans of America1
- United Publishing Company1
- United States. Army1
- United States. Congress. House1
- United States. Department of Education1
- United States. Department of Education.1
- United States. Dept. of Agriculture. Soil Conservation Service.1
- United States. Military Assistance Command, Vietnam1
- United States. Military Assistance Command, Vietnam. Advisory Team 58.1
- United States. National Aeronautics and Space Administration2
- United States. Soil Conservation Service1
- University of Michigan2