O'Brien pedigrees, compiled by the Hon. Donough O'Brien, [c. 1939?].

Míreanna comhchosúla

• Pedigrees of the O'Brien family, by Donough O'Brien, 1937-8.
• A volume of newscuttings, many relating to the O'Brien family and Dromoland, 1886-1905, and including school reports of Donough O'Brien, 1890 - 1898, and of Desmond O'Brien, 1904-1907.
• Colm: Review of the Honourable Donough O'Brien's "History of the O'Briens".
  Foilsithe / Cruthaithe: (1951)
• The O'Brien family.
  de réir: O'Brien, Donough
  Foilsithe / Cruthaithe: (1039)
• A notebook containing transcripts of some O'Brien letters and of the wills of Sir Donough O'Brien, 1st Bt., 1717 and of Donatus O'Brien, of Blatherwick, 1770.