- R. Laurie & J. Whittle Fleet Street; London (1)
- R. Sayer (London) (1)
- R. Wilkinson (London) (2)
- R. Wilkinson, no. 58 Cornhill (London) (1)
- R.A. Campbell (St. Louis [Mo) (1)
- R.L. Polk (Saint Paul) (1)
- R.L. Polk (St. Paul, Minn.), 1903 (1)
- R.L. Polk & Co., (Minnesota?) (1)
- 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.W. Johnson & Son (St. Paul) (1)
- R.W. Johnson & Son, (St. Paul) (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)