- Senate Foreign Relations Committee1
- Senatorial Campaign Expenditures Select Committee, Senate21
- Senatorial Campaign Expenditures and Use of Governmental Funds in 1938, Special Committee to Investigate, Senate1
- Senatorial Campaign Expenditures in 1942, Special Committee to Investigate, Senate1
- Senatorial Campaign Expenditures, 1946, Special Committee to Investigate, Senate3
- Senatorial Campaign Expenditures, Select Committee on Investigation of, Senate1
- Sequoia and General Grant National Parks17
- Sequoia and General Grant National Parks (Interior Department)1
- Serials Division3
- Service for the Blind18
- Services of Supply8
- Sesqui-Centennial of American Independence and Thomas Jefferson Centennial Commission2
- Shall Business Administration1
- Sheep-Bound Reserve866
- Sherman Statue Commission1
- Shiloh National Military Park Commission15
- Shiloh National Military Park Commission (War Department)1
- Shiloh National Park1
- Ship Purchase Lobby, Alleged, Special Committee to Investigate5
- Ship Structure Committee163