- Potiquet, Alfred.1
- Powell, John Wesley, 1834-19021
- Rand McNally and Company4
- Rand McNally and Company, engravers.1
- Ranney, Adolphus.1
- Reid, John (Publisher)1
- Robinson, Eugene1
- Roeser, C. (Charles), compiler.1
- Sauer, Wm. C.2
- Shaler, Nathaniel Southgate, 1841-19061
- Siebert, Selmar, printer3
- Silas Farmer & Co.6
- Smith, Richard A., 1876-1963.1
- Smith, Shirley Wheeler, 1875-19591
- Society for the Diffusion of Useful Knowledge (Great Britain)1
- Stebbins, Henry S.4
- Stockslager, S.M.1
- Stone, William James, 1798-18652
- Strum, G. P. (Gustave P.)1
- Tanner, Henry Schenck, 1786-18581