Author
- Pseudo-Bede1
- Pseudo-Eusebius of Cremona1
- Pseudo-Hegesippus1
- Pseudo-Jerome1
- Pseudo-Joachim of Fiore1
- Ptolemy1
- Publius Papinius Statius1
- Ramon Llull1
- Raymond of Penyafort1
- Reginold of Eichstätt1
- Rocca, Antonio1
- Samuel Gallico1
- Santa Maria Nuova Hospital1
- Shelomo Yedidyah Salamona1
- Sicco Polenton1
- Simone Gondi1
- Sixtus IV1
- Suetonius1
- Thomas Aquinas1
- Thomas Waleys1