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- Osler, William, Sir, 1849-19198
- Parvin, Theophilus, 1829-18988
- Peterson, Reuben, 1862-1942, author8
- Porcher, Francis Peyre, 1825-18958
- Preston, George J. (George Junkin), 1858- author8
- Reed, Robert Harvey, 1851-1907, author8
- Reese, John J. (John James), 1818-18928
- Robinson, Beverley, 1844-1924, author8
- Santos Fernández, Juan, 1847-1922, author8
- Schüssler, Wilhelm Heinrich, 1821-18988
- Shoemaker, John V. (John Veitch), 1852-1910, author8
- Sinkler, Wharton, 1845-1910, author8
- Snow, Edwin M. (Edwin Miller), 1820-1888, author8