Encyclopedias, Almanacs, Transcripts, and Maps
- Owl and the Nightingale, The
- Ownership
- Oxherding Pictures
- Oxyrhynchus
- Oysher, Moishe
- Oyved, Moyshe
- Ozanam, Antoine Frédéric, Bl.
- Oze or Ose
- Ozery
- Ozon
- Ozorkow
- P?emysl Ottokar II°
- Pa'il (Pilevsky), Meir
- Pabianice
- Pablo de Santa Maria
- Pacca, Bartolomeo
- Paccanarists
- Pace, Edward Aloysius
- Pacem in Terris
- Pacheco, Rodrigo Benjamin Mendes