- Rand-McNally (Chicago), 19122
- S. Augustus Mitchell, Jr (Philadelphia, Pa.?)2
- S. Lewis & Co. (London)2
- Sampson, Murdock & Co. (Boston), 18852
- Snyder & Black (New York)2
- Société éditrice Géographique (Paris)2
- Soil Conservation Service (Washington, D.C.?)2
- State Board of Health of Massachusetts (Boston)2
- State Engineer and Surveyor (Albany, N.Y)2
- State Highway Dept (Hartford, Conn)2
- State Road Commission of West Virginia (Charleston, W. Va)2
- Survey of India (Dehra Dun, India)2
- Survey of India Offices (Calcutta)2
- Surveyor General's Office (St. Paul, Minn)2
- T.A. Andreas (Chicago, Ill)2
- Tall de la Oficina Meteorolo?gica (Buenos Aires)2
- The Admiralty (London)2
- The Branch (Ottawa)2
- The Bureau (Toronto?)2
- The Bureau (Washington)2