Author
- Pickering, Paul A1
- Pierce, Franklin, 1853-1
- Pim, Joseph Todhunter1
- Pincus, J. J. (Jonathan James), 1939-1
- Plain Man1
- Plain Sense1
- Plain man1
- Plain sense1
- Polk, James K. (James Knox), 1795-18492
- Pomfret, Richard W. T1
- Pons, Xavier, 1948-1
- Poor, Henry V. (Henry Varnum), 1812-19051
- Popkins2
- Porter, John Grey V2
- Porter, Robert P. (Robert Percival), 1852-19172
- Powell, Alan A. (Alan Anthony), 1937-1
- Preissler, Heinrich1
- Prince-Smith, John, 1809-18742
- Pro ecclesia Dei2
- Protin, P.-O1