- Pseudo-Cicero.1
- Pseudo-Dionysius, the Areopagite.1
- Rolle, Richard, 1290?-1349.1
- Ruffo, Giordano, d. 1256.1
- Rusius, Laurentius.1
- Sacro Bosco, Joannes de, active 1230.1
- Sacro Bosco, Joannes de, fl. 1230.1
- Salimbeni, Jacopo, d. ca. 1427.1
- Salles family.1
- Salles, Bernard de.1
- Salles, Pierre de.1
- Samuel, Marochitanus.1
- Servius, active 4th century.1
- Spinelli, Tommaso, 1397-1472.1
- Thomas, Aquinas, Saint, 1225?-1274.1
- Thomas, of Ireland, approximately 1265-approximately 1329.1
- Trivet, Nicholas, 1258?-1328.1
- Trogus, Pompeius.1
- Tuberinus, Joannes Mathias.1
- Tuddenham, Thomas, 1401-1462.1
Libraries & Collections
- Arts Library
- Bass Library
- Beinecke Library
- Classics Library
- Divinity Library
- Film Study Center
- Fortunoff Archive
- Humanities Collections
- International Collections
- Law Library
- Lewis Walpole Library
- Library Collection Services
- Manuscripts & Archives
- Map Collection
- Marx Science & Social Science Library
- Medical Library
- Music Library
- Sterling Library
- Yale Center for British Art
