- Ribot, Th. (Théodule), 1839-19162
- Ribot, Th. (Théodule), 1839-1916, author2
- Rice, J. B., author2
- Ricketson, Shadrach, 1766-18392
- Rieth, Paul, 1871-1925, artist2
- Robbins, Henry Alfred, 1839-1911 author2
- Robbins, Henry Alfred, 1839-1911, author2
- Robertson, Charles A. (Charles Archibald), 1829-18802
- Robertson, John Dill, author2
- Robinson, Byron, 1854-19102
- Robinson, D. H. (David Hamilton), author2
- Robinson, John, -approximately 18292
- Robinson, William J. (William Josephus), 1867-1936 author2
- Rochester, Thomas F. (Thomas Fortescue), 1823-18872
- Rogers, L. D. (Loyal Dexter), 1856-2
- Roosa, D. B. St. John (Daniel Bennett St. John), 1838-19082
- Root, Harmon Knox.2
- Rorick Air Cushion Truss Company, author.2
- Rose, Geo. Maclean (George Maclean), 1829-1898 author2
- Rose, J. S. (Jacob Servoss), 1797?-18652