Encyclopedias, Almanacs, Transcripts, and Maps
- Polybios
- Polynesian Mythology
- Pomeroy, Seth
- Pomestie
- Pompadour, Jeanne-Antoinette Poisson (1721–1764)
- Pompeii and Herculaneum
- Poniatowski, Stanisław II Augustus (1732–1798; Ruled 1764–1795)
- Ponomarev, Boris Kharitonovich
- Pontchartrain
- Pontiac's War
- Pontiac's War
- Poor People's Campaign
- Poor, Enoch
- Poor, Salem
- pop groups
- Popé
- Pope Benedict XV
- Pope Boniface VIII
- Popov, Alexander Stepanovich
- Popov, Gavriil Kharitonovich