Publisher
- Radio Service33
- Resettlement Administration12
- Rural Electrification Administration140
- Rural Organization Service2
- Soil Conservation Service704
- Soils Bureau1,010
- Soils Bureau and Vegetable Physiology and Pathology Division1
- Solicitor20
- Solicitor of Department of Agriculture130
- Standards Bureau10
- States Relations Service613
- Statistics Bureau148
- Steamboat Inspection Service1
- Steamboat-Inspection Service2
- Sugar Agency23
- Sugar Division106
- Surplus Marketing Administration88
- Vegetable Physiology and Pathology Division1
- Virgin Islands Agricultural Experiment Station20
- Virginia (Merrimac)-Monitor Commission1