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

Roger Bacon, Roger Bacon (?), etc. — 13th century, second half (after 1266); Script partly English, partly French (fols. 41v5–42v, 44r-v, 45r-v) in style.

Ps.-Avicenna, Dominicus Gundisalvi, etc. — 13th century, first half; England

Thomas Bradwardine — 14th century, late or 15th century, early; Italy