- Rolle, Richard, of Hampole, 1290?-13492
- Ruffo, Giordano2
- Suhrawardī, Yaḥyá ibn Ḥabash, 1152 or 3-11912
- Thomas, Aquinas, Saint, 1225?-12742
- Usuard, -876 or 8772
- Virgil2
- Aegidius Beneventanus1
- Alexander, de Villa Dei1
- Ambrose, Saint, Bishop of Milan, d. 3971
- Andrea da Pistoia1
- Apollonius, of Tyana1
- Aristotle, pseud.1
- Autpertus, Ambrosius, d. 7841
- Bede, the Venerable, Saint, 673-735.1
- Belmesseri, Corradino, de1
- Benedict, Saint, Abbot of Monte Cassino1
- Benoît, de Sainte-More, 12th cent1
- Bernard, of Clairvaux, Saint, 1090 or 91-11531
- Bianchi, Giacomo1
- Biblesworth, Walter de1