- s. xi/xii
This volume, edited by Ranke de Vries, contains editions of two important texts related to the mythological origin of Lough Neagh and its aftermath. The earlier of the two texts, De causis, contains a seventh-century poem by Luccreth moccu Chíara that can be regarded as the earliest example of deibide. The second, Aided Echach, is a prosimetric text found only in Lebor na hUidre (in the hand of the interpolator H). The editions are preceded by a general discussion on the development of the tradition concerning the origin of the lake.
Contents: Part 1 (chapters 1-23): Allgemeines; Part 2 (chapters 1-85): Die Ulter Sage.
Two vellum quires containing an incomplete text of Ystoria Lucidar, a Welsh version of the Elucidarium, in the hand of Hywel Fychan. The Red Book of Talgarth (NLW Llanstephan MS 27) has been identified as the original context for these leaves.
- s. xivex/xvin
- Hywel Fychan ap Hywel Goch, Hugh Evans [Denbighshire clergyman, fl. 16th c.]
9th-century manuscript of a Greek psalter, with interlinear Latin text, and additional devotional material. It was written by multiple Irish hands, possibly in northern Italy.
- s. ix2/3/3/3
Two flyleaves from an Irish manuscript, probably of the 12th century, containing a copy of Priscian’s Institutiones grammaticae. The fragment preserved is from Book 2 of that text.
- s. xii
Manuscript destroyed in WWII. It contained the earliest known version of the Historia Brittonum, referred to as the ‘Chartres’ recension of this text.
- s. x/xi
Irish manuscript containing a text of the so-called Smaointe beatha Chríost, Tomás Ó Bruacháin's Irish translation of the pseudo-Bonaventuran devotional work Meditationes vitae Christi.
- s. xviex
- Muiris Ó hEoghusa
- s. xvii
- Cú Choigcríche Ó Cléirigh
- s. xi/xii
- Anonymous [LU scribe H], Anonymous [LU scribe A], Anonymous [LU scribe M], Máel Muire mac Céilechair