Manuscripts
Manuscript:
London, British Library, MS Cotton Vitellius A xii
  • s. xiex–xiiex
Not yet published
Walsh, Maura, and Dáibhí Ó Cróinín, Cummian’s letter De controversia Paschali: together with a related Irish computistical tract De ratione conputandi, Studies and Texts, 86, Toronto: Pontifical Institute of Mediaeval Studies, 1988.
CELT – De controversia Paschali, text (pp. 56–96): <link> CELT – De controversia Paschali, translation (pp. 57–95): <link>

Results for B (1893)
  • Aberystwyth, National Library of Wales, Add. MS 27B
  • Aberystwyth, National Library of Wales, Bodewryd MS 11D
  • Aberystwyth, National Library of Wales, Cwrtmawr MS 114B
  • Aberystwyth, National Library of Wales, Cwrtmawr MS 306B
  • Aberystwyth, National Library of Wales, Cwrtmawr MS 307B
Not yet published.
  • s. xviiiin
  • Edward Lhuyd
  • Aberystwyth, National Library of Wales, Llanstephan MS 2005B
  • Aberystwyth, National Library of Wales, MS 36B