Author
- Euclid2
- Geoffrey of Monmouth2
- Geoffroy du Louroux2
- Haymo of Halberstadt2
- Hugh of Fouilloy2
- John Cassian2
- Qāsim ibn al-Faḍl2
- Rabanus Maurus2
- Remigius of Auxerre2
- Seneca2
- Abbaye Saint-Martin de Plaimpied1
- Abu Bakr al-Hassar1
- Abu Isa at-Tirmidhi1
- Abu Mansur Mauhub al-Jawaliqi1
- Abu Nu`aym1
- Abu al-Hariri1
- Ahmad al-Badawi1
- Ahmad ibn Ismail al-Taliqani1
- Al-Ḥusayn ibn Yaḥyá Qaṭṭān1
- Alain de Lille1