- Patterson, Edward, 1839-19101
- Patton, George Farrar, compiler1
- Paulet, Juan Mariano, author1
- Payne, R. L.1
- Payne, W. E. (William E.), 1815- author1
- Peabody, Andrew P. (Andrew Preston), 1811-18931
- Peabody, Andrew P. (Andrew Preston), 1811-1893, author1
- Peale, A. C. (Albert Charles), 1849-19131
- Pearsons, G. W., author1
- Pease, R. W. (Roger W.), author1
- Peaslee, E. R. (Edmund Randolph), 1814-1878 author2
- Peaslee, E. R. (Edmund Randolph), 1814-1878, author2
- Peck, W. F. (Washington F.), 1841-18911
- Pedder, Henry C., author1
- Pedroza, Jonathas de Freitas.1
- Peeden, James T., author1
- Peet, Isaac Lewis, 1824-18981
- Peirce, C. N. (Cyrus Newlin), 1829-19091
- Pellegrini, Carlo, 1838-1889, artist6
- Pendleton, Hester, author1