Johannis Lugdunensi (or of Leyden) — 13th century, beginning; England

Bible (Vulgate), with prologue of St Jerome — 13th century, end; England

Langland, William, 1330?-1400?, Henry, of Huntingdon, 1084?-1155, etc. — 1100–1500; England

Peter Lombard, Bishop of Paris, approximately 1100-1160, Henry, of Ghent, 1217?-1293, etc. — 1200–1300

Valerius, Gregory, I, Pope, approximately 540-604, etc. — 1200–1400; England

Aquinas, Thomas, Saint, 1225-1274 — 13th century; England; Canterbury

Roger, monk of Croyland — 13th century; England

Britton — 13th century, end or 14th century, beginning; England

Gospel of Matthew, glossed, Treatise on the Mass, etc. — 13th century; England

Gratian, active 12th century — 13th century, end; England; Durham (?)

Peter Lombard, Bishop of Paris, approximately 1100-1160, Hugolinus de Urbe Veteri (c. 1380-c. 1457) — 13th century; England; Dominican convent, Beverley

Augustine, Saint, Bishop of Hippo — 12th century, end or 13th century, beginning; England.

Isidore, of Seville, Saint -636, Avicenna, 980-1037 — 1100–1300; England.

Thomas, de Chobham, active 1200-1233 — 13th century, end; England.

Burley, Walter, 1275-1345, etc. — 1200–1450; England.

Aquinas, Thomas, Saint, 1225-1274 — 13th century, beginning; England; Fountains Abbey

Cicero, Marcus Tullius — 12th/13th century; England; St Augustine's Abbey, Canterbury

Charters, rules, and liturgical texts relating to Chichester, Cartulary and rule St Mary's Hospital, Chichester — 12th to 14th centuries; England.; Chichester.

Fountains Abbey, Cartulary — 12th/13th century; England.