[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing different Irish manuscripts.]

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing some copy-editing matters, and pointing out the forgeries of Shane O'Dugan's time.]

[Letter from J. Donnavanides [John O'Donovan] (36 Buckingham Street, Dublin) to William Reeves, concerning the young linguist Whitley Stokes.]

[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, discussing extracts from Irish manuscripts.]

[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, commenting on grammar of an Irish motto and discussing Mr. Geraghty's bankruptcy.]

[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, discussing territories of ancient Irish clans.]

[Letter from Joannen Donovaniden [John O'Donovan] (Ulster Railway Hotel, Belfast, Co. Antrim), to William Reeves (The Vicarage, Lusk, Co. Dublin), discussing the Dinnsenchus of Armagh.]

[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, discussing the reviews of Reeves's new book.]

[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves (11 Panton Square, Haymarket, London), discussing the state of Irish manuscripts in a number of British archives and their interpretation to date.]