Notes on the Irish language columns of the Shamrock (read before the Bibliographical Society of Ireland on 27 March, 1944).

Míreanna comhchosúla

• Report of P. S. O'Hegarty's paper on "The Shamrock" read to the Bibliographical Society of Ireland.
  Foilsithe / Cruthaithe: (1937)
• 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 some not-so-common Irish Books (read before the Bibliographical Society of Ireland). See also pp. 100-1.
  de réir: O'H., P. S.
  Foilsithe / Cruthaithe: (1955)
• Charles Bradlaugh, his life and work. By his daughter Hypatia Bradlaugh Bonner (read before the Bibliographical Society of Ireland, 27 Oct., 1947).
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1949)
• The Irish Metropolitan Magazine: a paper read to the Bibliographical Society of Ireland on 3 May, 1943).
  de réir: O'Hegarty, P. S.
  Foilsithe / Cruthaithe: (1944)