Author
- Osbern of Gloucester1
- Peter of Poitiers1
- Petrus Aureolus1
- Petrus Riga1
- Petrus de Isolella1
- Porphyry1
- Rafaino Caresini1
- Robert Grosseteste1
- Seneca1
- Severian of Gabala1
- Sextus the Pythagorean1
- Simone d' Angelo1
- Symeon the Metaphrast1
- Theophanes of Nicaea1
- Thomas Aquinas1
- Tristano Caracciolo1
- Virgil1
- Walerand ap Adam1
- Xenophon1
- Ælfric of Eynsham1