- 1604 x 1607
- Thomas Wiliems
Paper manuscript compiled for Robert Shipboy MacAdam in the middle of the 19th century, containing a substantial, alphabetically arranged collection of materials made in preparation for an English–(Ulster) Irish dictionary. The project was undertaken by MacAdam, who worked together with Aodh Mac Domhnaill, a native speaker from County Meath. The manuscript consists of 23 (port)folios, lacking letter F and the beginning of G, and numbers around 1145 pages. The dictionary remained unpublished.
- 1842 x 1856
- s. xviii / s. xix (?)
- s. xv + s. xvi
Digest of early Irish law written by scribes associated with the Mac Aodhagáin school. Digests with similar content are found in BL MS Egerton 88 and TCD MS 1336/3.
- s. xvi2
- Donnchadh of An Ghrainseach, Saordhálach Óg mac Diarmada, Domhnall [scribe of RIA 23 Q 6 (A)], Gabrial mac Conchobhair Ó Deóradháin, Giolla na Naomh [scribe of RIA 23 Q 6 (A)]