Dublin street ballads about the Invincibles (read before the Bibliographical Society of Ireland, 29 Nov., 1948).

Míreanna comhchosúla

• Review of The rising of the moon, and other ballads, songs and legends, by John E. Casey.
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1935)
• Queries and replies: P. S. O'Hegarty asks about a French edition of English liturgy. Answered: it was issued for use of Huguenots in Dublin.
  Foilsithe / Cruthaithe: (1912)
• Some association books of Irish interest (read before the Bibliographical Society of Ireland, 25 Nov., 1946).
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1948)
• Notes on the Irish language columns of the Shamrock (read before the Bibliographical Society of Ireland on 27 March, 1944).
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1945)
• Bibliographical notes (of Joseph Campbell's early works)
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1940)