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- Palmer, Thomas, 1820-1
- Peaslee, E. R. (Edmund Randolph), 1814-18781
- Peebles, J. F.1
- Philadelphia County Medical Society.1
- Pons y Codinach, Antonio.1
- Quintard, C. T. (Charles Todd), 1824-18981
- Robinson, George, 1821-18751
- Rogers, E. C. (Edward Coit)1
- Rothstein, H. (Hugo), 1810-18651
- Semple, Matthew.1
- Sharp, William, 1805-18961
- Sims, J. Marion (James Marion), 1813-18831
- Sociedad de Medicina Montevideana, author.1
- Steiner, Lewis H. (Lewis Henry), 1827-18921
- Stevens, William, 1786-18681
- Stewart, F. Campbell (Ferdinand Campbell), 1815-18991
- Swalm, Levi B.1
- Taylor, Alfred Swaine, 1806-18801
- Taylor, Othniel H. (Othniel Hart), 1803-18691