- Sims, Thetus W., Select Committee to Investigate Alleged Assault upon, by Charles C. Glover1
- Slocum Disaster, Commission on Investigation of1
- Small Business Administration1,053
- Small Business Committee1
- Small Business Committee, House6
- Small Business Office1
- Small Business, Permanent Select Committee on23
- Small Business, Permanent Select Committee on, House1
- Small Business, Select Committee on456
- Small Business, Select Committee on, House38
- Small Business, Select Committee on, Senate73
- Small Defense Plants Administration71
- Smithsonian Gallery of Art Commission1
- Smithsonian Institution4,270
- Social Security Administration1,486
- Social Security Board743
- Social Security Board Library4
- Social and Economic Statistics Administration2
- Social and Rehabilitation Service121
- Soil Conservation5