- Methodist Episcopal Church. Savannah Conference4
- Missouri4
- Morgan, James Morris, 1845-19284
- Motes & Clark4
- Nelsons' Directory Company, Inc.4
- Odingsells, Charles4
- Operative #7474
- P.F. Collier, Inc.4
- Philco Publishing Co. (London, England4
- Poinsett, Joel Roberts, 1779-18514
- Putnam, George Palmer, 1814-18724
- Raybon, Ira M.4
- Read, Keith M., 1880-19404
- Reck, Philipp Georg Friedrich von, 1710-17984
- Reep, Rueben Beale4
- Reynolds, John, ca. 1713-17884
- Richmond, Virginia4
- Riverside Military Academy4
- Robert de Vaugondy, Didier, 1723-17864
- Roe, Alfred S. (Alfred Seelye), 1844-19174
