Author
- Pius IV1
- Pius V1
- Pliny the Younger1
- Porphyry1
- Portugal1
- Prague1
- Principio Fabricii1
- Privy Council of the United Kingdom1
- Prizrenli Şemʻî1
- Proclus1
- Prudentius1
- Pseudo-Cicero1
- Pseudo-Joachim of Fiore1
- Ptolemaeus Tancredius1
- Ptolemy1
- Qasem-e Anvar1
- Qāsim ibn Yūsuf Abū Naṣrī Haravī1
- Ranieri Farnese1
- Ranuccio Farnese1
- Rashe Menaḥem be Yehoshuʻa, ha-Golah1