- s. xiii
- s. xii
Composite manuscript which belonged to Sir Robert Cotton and consists of a number of chronicles, including the so-called ‘Kilkenny chronicle’.
- s. xii–xvii
- s. xiv
Welsh lawbook (ff. 1-45, 133-134).
- s. xiiimed
Earliest manuscript containing a copy of the De excidio Britanniae by Gildas. It has suffered severe damage from the fire that destroyed the Cotton library in 1731.
- s. xi (x?)