- Penitentiaries Commission1
- Penitentiary1
- Periodicals Division1
- Philippine Department1
- Portland Cement, Special Committee of Departmental Conference for Unification of Government Specifications for1
- Railroad Wage Commission1
- Recruiting Service1
- Referee Board of Consulting Scientific Experts1
- Research Bureau1
- Rifle Practice Promotion Board1
- Rock Creek Valley Parkway Commission1
- Rocky Mountain National Park1
- Rural Mails Division1
- Ship Subsidy Lobby, Alleged, Select Committee to Investigate1
- Sims, Thetus W., Select Committee to Investigate Alleged Assault upon, by Charles C. Glover1
- St. John River Joint Commission1
- Standards, Weights, and Measures Select Committee1
- Suggestions and Complaints Bureau1
- Tank Corps1
- Telepost, Select Committee to Investigate use of, in Connection with Post Office Department1