- s. xvi (?)
Numbered pp. 745–1138; diplomatic edition of legal material from Dublin, Trinity College, MS 1337 (continued, pp. 745–1109); Dublin, Trinity College, MS 1317 (pp. 1111–1138).
pp. 565-660, now bound in two separate volumes (nos 19-20), are regarded by Abbott as forming a single collection.
- s. xvi (?)