- Richardson, Elliot L., 1920-19991
- Roads1
- Rockets (Aeronautics)--Launching1
- Romney, George W., 1907-19951
- Runways (Aeronautics)1
- Sandwich boards1
- Seafarers' International Union of North America1
- Seals (Insignia)1
- Shipbuilding1
- Ships--United States1
- Signing ceremonies1
- Signs (Notices)1
- Simon, William E., 1927-20001
- Spectators1
- Speeches, addresses, etc1
- Speeches, addresses, etc.; Cabinet officers1
- Stationery1
- Stevenson, Adlai E. (Adlai Ewing), 1900-19651
- Strikes and lockouts--Airlines1
- Strikes and lockouts--Railroads1
