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- Gertrude, the Great, Saint, 1256-13022
- Mechthild, of Hackeborn, 1241 or 1242-1299?2
- Alexander VI, Pope, 1431-15031
- Avicenna, 980-10371
- Bede, the Venerable, Saint, 673-7351
- Bernard Silvestris, active 11361
- Cicero, Marcus Tullius1
- Gellius, Aulus1
- Gregory IX, Pope, approximately 1170-12411
- Groote, Gerard, 1340-13841
- Jābir ibn Ḥayyān1
- Jordan, von Quedlinburg, approximately 1299-13801
- Maerlant, Jacob van, 1235?-13001
- Origen1
- Otto F. Ege collection (Beinecke Rare Book and Manuscript Library)1
- Peter Lombard, Bishop of Paris, approximately 1100-11601
- Pseudo-Marcellus1
- Rāzī, Abū Bakr Muḥammad ibn Zakarīyā, 865?-925?1
- Richard, de Fournival, active 1246-12601
- Samblanx, Charles de, 1855-19431