Seán ó Mathgamhna: (Reply to a query in Vol. XVII, giving reference to John O' Mahony, Fenian Head Centre, in reply to Tomás de Róiste). Also article by S. Ó. C., quoting New York and other accounts of him. See also p. 89.

Míreanna comhchosúla

• Sean O Mathgamhna: (reply to a query in Vol. XVII giving references to John O Mahony, Fenian Head Centre, in reply to Tomás de Róiste). Also article of S. Ó C., quoting New York and other accounts of him. See also p. 89.
  de réir: Ó S., C.
  Foilsithe / Cruthaithe: (1930)
• Letter from Tómas de Róiste of Philadelphia with a phonetic copy of the Marbhna Pádhric signed Thomas Hill. S. Ó C. quotes from de Roiste's letter in a footnote.
  Foilsithe / Cruthaithe: (1934)
• Query by Tomás de Roiste, Philadelphia re Zozimus (Michael Moran). Replies from John Ardagh and R. M. Elmes, p. 58.
  Foilsithe / Cruthaithe: (1938)
• O' Kane's notes on the Irish Language (sent to S. Ó C. by Tomás de Róiste of Philadelphia).
  de réir: Ó C., S.
  Foilsithe / Cruthaithe: (1933)
• Beirt Ghaedheal fuair bás thar sáile (An t-Ath. Dómhnall Ó Morchadha agus Tadhg Ó Ciosáin). See also Tomás de Róiste Vol. XXIV, p. 64.
  de réir: Ó Casaide, Séamus
  Foilsithe / Cruthaithe: (1935)