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Authors
- Richardson, Joseph, 1824-18905
- Richardson, Liz, author1
- Richmond, S. A. (Samuel A.)1
- Richter, Victor von, 1841-1891, author1
- Riis, Jacob A. (Jacob August), 1849-19141
- Riley, Charles V. (Charles Valentine), 1843-18951
- Ritchie, John W. (John Woodside), 1871-19432
- Ritchie, John W. (John Woodside), 1871-1943 author1
- Robb, Hunter, 1863-1940 author3
- Roberts, W. Milnor (William Milnor), 1810-1881 author1
- Robertson, John Dill.1
- Robertson, T. Brailsford (Thorburn Brailsford), 1884-1930 author1
- Robie, W. F. (Walter Franklin), 1866-1928 author1
- Robinson, Byron, 1854-19102
- Rochester Dental Mfg. Co. author.1
- Rockefeller Foundation. International Health Board, author.1
- Roe, John O.1
- Roger, Henri, 1860-1946, author1
- Rogers, James Frederick, 1870-19651
- Rogoff, J. M., author1