Geoffrey of Monmouth — 1400s × 1440s; England

Prose Brut — 15th century

Aelred, of Rievaulx, Saint, 1110–1167, Bernard, of Clairvaux, Saint, 1090 or 1091–1153 — 12th century

Doctrinal theology — 14th century, early

Sermons from Advent to the Sunday after Pentecost — 14th century

Richard of Thetford, etc. — 13th century, late

Gloucester calendar, antiphon — 13th century

Adam of Evesham, etc. — 1180s × 1190s; ? Evesham Abbey, England

Jacobus de Cessolis, Giles of Rome — 15th century (1415 and 1416)

Registrum Brevium — 14th century

Grammar — 15th century

Welsh-English grammar of Dafydd Ddu — 15th century

Welsh-English-Latin dictionary — 15th century

Mirrors for princes — 13th century, late

Canon law — 15th century

Book of Llewelyn — 15th century

Medical texts — 15th century

Theological texts — 14th century

Koran (fragment) — 16th century

Philosophical texts — 14th century – 15th century