Encyclopedias, Almanacs, Transcripts, and Maps
- Ptolemy VI
- Ptolemy VIII
- Ptolemy X
- Ptolemy XI
- Ptolemy XII
- Ptolemy XIII
- Ptolemy XIV
- Ptolemy XV
- ptomaine poisoning
- ptyalin
- Pu'uhonua o Honaunau National Historic Park
- Puah
- Public Attitudes Toward Gun Control
- Public Opinion About Health Care
- Public Opinion About the Internet and Information Technologies
- Public Opinion on the Family
- puddling
- Puducherry
- Puelche
- Puerto Barrios