Author
- Principio Fabricii1
- Priori (Florence)1
- Privy Council of the United Kingdom1
- Pseudo-Augustine1
- Ptolemaeus Tancredius1
- Qasem-e Anvar1
- Ramon Llull1
- Raymond of Sabunde1
- Republic of Venice1
- Robert Cooke1
- Robert de Saint-Martin1
- Rodolfo Pio da Carpi1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Zaragoza1
- Sacro Regio Consiglio1
- Sallust1
- Santa Maria degli Alberighi1
- Sebastian Schindler1
- Seifrit1
- Seneca1