- s. xiex/xiiin
- 1125 x 1150
17th-century paper leaves added to the manuscript (Rawlinson B 502) when the two early vellum codices were bound together.
- s. xvii
- James Ware
- s. xivex + xv
Collection of Irish saints’ Lives in Latin. It is generally taken to be an early copy of Rawlinson B 485 and since the latter is now mutilated in places, fills in a number of important gaps. The order of the Lives has been rearranged to follow the calendar of feast-days.
- s. xivex
- Mattheus Ó Duibhidhir, Cormac Óg Mac Muircheartaigh
An incomplete copy of the Félire Óengusso and its commentary.
- s. xv
- Cormac Óg Mac Muircheartaigh
- s. xiv + s. xvii
Irish genealogical tracts and a copy of the Dinnshenchas Érenn
- s. xiv (+ xvii)
- Seáan Ó Cianáin, Anonymous [Rawl. B 506 (ff. 11r-15v)], Anonymous [Rawl. B 506 (f. 16ar)]
- s. xiv
- Anonymous [Rawl. B 506 (ff. 16br–62v)]
- s. xv–xviin
- s. xv/xvi
- Maelechlainn Ó Maoil Chonaire
- c. 1500
- Conchubhar Ó Maoil Chonaire, Dubthach Ó Duibhgeannáin
Part III (ff. 75B-100 + ff. 37-44) of Rawlinson B 512, written by an anonymous scribe.
- s. xv?
- Ó Maoil Chonaire family, Anonymous [scribe of Rawl. B 512 III]
- s. xvi
- Giolla Riabhach mac Tuathail Ó Cléirigh
Contains version D of the Latin redaction of the Welsh laws
- c. 1300
Private notebook used by John Bale for the compilation of his alphabetic catalogue of authors, known since its 1902 edition as Index Britanniae scriptorum.
- s. xvi
- John Bale