Dublin, Trinity College, MS 55 (A 4. 15) = Codex Usserianus primus
  • s. viiin (?)
Stansbury, Mark, “Wandering hands: Usserianus Primus and the movements of scripts”, in: Rachel Moss, Felicity OʼMahony, and Jane Maxwell (eds), An Insular odyssey: manuscript culture in early Christian Ireland and beyond, Dublin: Four Courts Press, 2017. 42–54.
Kenney, James F., “Chapter VII: Religious literature and ecclesiastical culture”, in: James F. Kenney, The sources for the early history of Ireland: an introduction and guide. Volume 1: ecclesiastical, Revised ed., 11, New York: Octagon, 1966. 622–744.
628   [A I (a)] “453. Codex Usserianus I