- Rare Books Division, Library of Congress1
- Reconstruction of House Roofs and Skylights, Special Committee on, House1
- Reconstruction of Senate Roof and Skylights, Special Committee on, Senate1
- Research and Development Board1
- Research and Publication Division1
- Research and Statistics Bureau1
- San Diego Water Supply Project, Committee on Methods of Financing1
- Semitic Literature Division1
- Senatorial Campaign Expenditures in 1942, Special Committee to Investigate, Senate1
- Service for the Blind1
- Small Business Office1
- Southwestern Power Administration1
- Special Mexican Claims Commission1
- Special Services Branch1
- Supplies and Shortages of Food, Particularly Meat, Select Committee To Investigate, House1
- Taxation of Governmental Securities and Salaries, Special Committee on, Senate1
- Territories and Island Possessions Division, Alaska1
- Transportation, Office of Chief of1
- United States Constitution Sesquicentennial Commission1
- Virginia (Merrimac)-Monitor Commission1