- R.P. Studley Co (St. Louis, Missouri) (1)
- R.R. Bowker Co (New York), 1926 (1)
- R.R. Bowker Co (New York), 1928 (1)
- R.R. Bowker Co (New York, N.Y), 1929 (1)
- R.R. Bowker Co (New York, N.Y) (1)
- R.R. McCabe & Co. (Chicago) (1)
- R.R. McCabe (Chicago), 1890 (1)
- R.R. McCabe (Chicago), 1894 (1)
- R.R. McCabe (Chicago, 1894) (1)
- R.W. Johnson & Son (St. Paul) (1)
- R.W. Johnson & Son, (St. Paul) (1)
- RCA Records (New York), 1970 (1)
- RS-Druck (1)
- Raabe & Plothow (Berlin), 1911 (1)
- Radhi Parekh indicates the tribal group lives on the Bihar-Orissa border (1)
- Railroad Commission of Wisconsin (Milwaukee, Wis.) (1)
- Railroad Commissioner (Madison, Wis) (1)
- Rand Avery Supply Co (Boston) (1)
- Rand McNally & Co (Chicago) (12)
- Rand McNally & Co (Chicago), 1910 (1)
