Alexander de Villa Dei, etc. — c. 1300; additions, 15th century; French, South

This composite manuscript is famous for its second part, which contains the earliest copy of the Chanson de Roland. Written in…

Richard of Wallingford, etc. — 15th century (?)

Astrological treatises — 15th century (?)

Dietary, Scientific texts — 15th century (?)

Treatises on calendar, Arithmetical treatise — 12th century

Geoffrey of Monmouth — 13th century, beginning

Walter Map, etc. — 12th century, end

Albertus Magnus, etc. — 14th century; Multiple places of origin

Roger Bacon — 13th century

Johannes de Sacro Bosco, Thomas of Newmarket (?), etc. — 15th century; English

John of Stratford, etc. — 15th century

Somniale Danielis — 15th century

Albertus Magnus — 15th century

Calendars — 15th century, end; French, North-west

Easter tables — 10th century, late – 11th century, first half (between 988 and 1006)

Poem on stars, Treatise on seasons — 13th century, end; French

Thomas Stubbs — c. 1300; English

Thomas of Siena — 15th century, beginning (c. 1410–20); Italian, Venice

Richard of Wallingford — 15th century; English

Life and miracles of St. Jerome — 15th century; Italian

Alchemical recipes — 15th century; French (?)