- s. xi/xii
- Anonymous [LU scribe H], Anonymous [LU scribe A], Anonymous [LU scribe M], Máel Muire mac Céilechair
- s. xviii
- Richard Tipper, Seón Mac Solaidh
A fragment of Lebor gabála Érenn (recension A), tentatively dated to the 14th century in the catalogue description. Another part is in Dublin, Royal Irish Academy, MS D iii 1.
- s. xiv (?)
- Ádam Ó Cianáin
- s. xiv / s. xv
Irish manuscript containing some of the Irish grammatical tracts.
- s. xvii + xviii
- Aindrias Mac Cruitín
A manuscript containing what is known as the First Variant of Geoffrey of Monmouth’s Historia regum Britanniae (ff. 23r-65v).
- s. xiiiex/xivin
Compilation of extracts and texts from various Irish annals and registers in Latin, incl. the Register of Clogher, John Clyn's Annals of Ireland, Henry of Marlborough's annals, short annals of Ireland by Thady Dowling, Gerald of Wales, the annals of Dunbrody Abbey, the Black and White Books of Christ Church, Dublin, the annals of Ross and the Annals of Ulster. For much of the material, there is evidence that it was written for James Ussher (d. 1656). The manuscript passed into the possession of James Ware.
- s. xvii
- s. xv – s. xvi