Agents
Anonymous (LL scribe M)
See also references for related subjects.
Duncan, Elizabeth, “Lebor na hUidre and a copy of Boethius’s De re arithmetica: a palaeographical note”, Ériu 62 (2012): 1–32.  
abstract:
The purpose of this article is to lay out the striking palaeographical similarities between Hand M of Lebor na hUidre and a copy of Boethius's De re arithmetica preserved in TCD MS 1442 (H.2.12, pt 7). The resemblances between both script-specimens indicate a similar context for their executions.
Dublin, Trinity College, MS 1339 (H 2. 18) = Book of Leinster [s. xii2]
scribes:Anonymous ... LL scribe for bishop Finn of KildareAnonymous ... LL scribe TAnonymous ... LL scribe UAnonymous ... LL scribe MAnonymous ... LL scribe SÚa Crimthainn (Áed) ... abbot of TerryglassAnonymous ... LL scribe for bishop Finn of KildareAnonymous ... LL scribe MAnonymous ... LL scribe SAnonymous ... LL scribe UÚa Crimthainn (Áed) ... abbot of Terryglass