Gratian — 13th century, beginning; England

Geoffrey of Monmouth, etc. — 12th century, end; English

Petrus Musandinus, etc. — 13th century, second half

Missale plenum (?) — 11th century, late; Italian

Commentary on Johannitius, Isagoge — 13th century

Commentary on Hippocrates, Liber aphorismorum — 13th century

'Magister Walter' (Walter de Coutances) — 13th century, first half

Liber de translationibus sancti Cuthberti — 13th century, first half

Commentary on Psalms i-xviii — 13th century, late; English

Alexander Nequam — 13th century, late; English

Texts on Canon Law — 13th century, late; English

Gregory IX — 13th century, late; English

Johannes de Deo — 13th century, late; English

Treatise on the Sacraments — 13th century, late; English