Encyclopedias, Almanacs, Transcripts, and Maps
- Poverty Movement
- Poverty, Religious
- Povich, Shirley Lewis
- Powdermaker, Hortense
- Powel, Philip, Bl.
- Powell, Edward, Bl.
- Power, Edmund
- Power, Emily, Mother
- Power, John
- Power, Lionel
- Powers, Jessica
- Poynter, William
- Poznański, Edward
- Poznanski, Gustavus
- Poznansky, Menaḥem
- PPS (Polska Partia Socjalistyczna)
- Praag, Siegfried Emanuel van
- Practice and Procedure
- Prado, John of, Bl.
- Prado, Juan (Daniel) de