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Authors
- R. A. L., author1
- Radasch, Henry Erdmann, 1874- author1
- Raemaekers, Louis, 1869-1956 artist1
- Raffy, Katharine Foote, 1881-1970 author1
- Rainey, Paul James, 1877-1923 photographer1
- Raiziss, George W., 1884- author1
- Raizizun, Yacki, 1892-19661
- Ralston Health Club.1
- Ramaley, Francis, 1870-1942 author1
- Ramalho, Manuel Portugal, author1
- Ramos Mejía, José María, 1849-1914 author1
- Ramos, Joaquim de Carvalho, author1
- Ramos, Paulo Elixio Pinheiro, 1889- author1
- Ramón y Cajal, Santiago, 1852-1934 Author3
- Ramón y Cajal, Santiago, 1852-1934 author1
- Ramsey, Walter Reeve, 1872- author2
- Ramus, Carl, 1872-1963 author1
- Randall, Francis E.1
- Randall, Raymond, author1
- Ranger, R. H., author2