On O'Conway's Ms. Irish dictionary (a quotation from Irisleabhar na Gaedhilge with a note by S. Ó C.):

Míreanna comhchosúla

• The "Iris na Gaedhilge" mentioned by Domhnall Ó Fotharta in 1892: was it short for Irisleabhar na Gaedhilge?
  de réir: Ó C., S.
  Foilsithe / Cruthaithe: (1934)
• Editorial regretting the cessation of Irisleabhar na-Gaedhilge in 1909: will always be a place in Irish life for such a journal.
  Foilsithe / Cruthaithe: (1934)
• Notebook belonging to Cormae Ó Cadlaigh, Cionn tSáile, containing his own index to material in Irisleabhar na Gaedhilge, July 12th, 1909.
• Correspondence and miscellaneous papers of the family of O'Conway in the United States of America including letters to and by Matthias O'Conway, Gaelic lexicographer of Philadelphia, (formerly of Galway City), early 19th c.
• Draft of an Irish language dictionary by Matthias O'Conway, of Philadelphia (formerly of Galway), showing meanings of words in Greek, Latin and in modern European languages, c. 1814-1842.