Pedigrees, extracts and correspondence, arising from the claim of William O'Brien, Butler to the peerage of Dunboyne in the 1860s.

Míreanna comhchosúla

• Two volumes of notes, pedigrees, etc. relating to the Baltinglass peerage claimed by Henry Eustace of Gormanston, Co. Tipperary, 1843.
• Curiosities of the Peerages of Kerry.
• Irish Earldoms prior to 1300.
  Foilsithe / Cruthaithe: (1937)
• Creations of peers from the time of King Stephen to Henry VIII.. collected by E. Ashmole, 17th c.
• The Scotch and Irish Peerage
  de réir: S., J.
  Foilsithe / Cruthaithe: (1874)