A volume of correspondence, consisting mainly of letters from John O'Donovan to Rev. James Graves on matters of etymological and archaeological interest, and including an Irish poem "O'Cearhaill d'ár corcra croinn" and a page of Irish prose, 19th c.

Míreanna comhchosúla

• John O'Donovan.
  de réir: Clohosey, T. J. Rev
  Foilsithe / Cruthaithe: (1962)
• An O'Donovan source.
  de réir: Ó Fiannachts, Pádraig An tAthair
  Foilsithe / Cruthaithe: (1966)
• An essay by T. F. O'Sullivan on Richard O'Donovan, son of John O'Donovan the historian, including references to Jeremiah O'Donovan Rossa.
• The ancient O'Donovan "dadagh".
  de réir: Coleman, James
  Foilsithe / Cruthaithe: (1917)
• Obituary of John O'Donovan.
  Foilsithe / Cruthaithe: (1861)