Author
- John Lydgate4
- Lactantius4
- Leon Battista Alberti4
- Ptolemy4
- Richard Rolle4
- Thomas Hoccleve4
- Abd al-Rahim ibn al-Husain al-'Iraqi3
- Abu Hafs Omar al-Nasafi3
- Abu al-Layth al-Samarqandi3
- Abū Zurʻah al-ʻIrāqī3
- Bernard of Clairvaux3
- Burhan al-Din al-Murghinani3
- Dante Alighieri3
- Eusebius of Cremona3
- Geoffrey Chaucer3
- Honorat Bovet3
- Hugh of Saint Victor3
- Jacobus de Teramo3
- Jacobus de Voragine3
- Jalal Al-Din Al-Khabazi3