Author
- Peter Cantor1
- Peter Idley1
- Philip Sidney1
- Pietro de' Crescenzi1
- Placentinus1
- Pseudo Bernard of Clairvaux1
- Pseudo-Augustine1
- Pseudo-Bonaventure1
- Pseudo-Cyprian1
- Pseudo-Llull1
- Ranulf Higden1
- Raymond of Penyafort1
- Robert Cooke1
- Robert de Gretham1
- Robert de Sorbon1
- Robert of Gloucester1
- Sir Edward Dering, 1st Baronet1
- Sir Edward Dering, 2nd Baronet1
- Sir Thomas Frankland, 2nd Baronet1
- Sulpicius Severus1