Author
- Pistoia1
- Pius IV1
- Pius V1
- Principio Fabricii1
- Privy Council of the United Kingdom1
- Prizrenli Şemʻî1
- Ptolemaeus Tancredius1
- Ranieri Farnese1
- Ranuccio Farnese1
- Rashe Menaḥem be Yehoshuʻa, ha-Golah1
- Richard Ward1
- Robert Beale1
- Robert Reade1
- Rodrigo de Rueda1
- Roman Catholic Archdiocese of Siena1
- Royal Chancellery of Granada1
- Salmūn ibn ʻAlī Kinānī1
- Samarqandī, Muḥammad ibn Maḥmūd1
- Samuel Gallico1
- Sangalletti family1