[Letter from Johannes Donovannides [John O'Donovan] (36 Buckingham Street, Dublin) to William Reeves (Ballymena, Co. Antrim), regarding his plan to contact the Pope, and discussing O'Curry and the Royal Irish Academy.]

[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 (36 Buckingham Street, Dublin) to William Reeves, discussing the meaning of the Irish word Drui or Drai.]

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing Scottish place names and women's names.]

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

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to Edmund Getty, sending some Belfast maps and translating some Irish names.]

[Two letters and two notes from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing the identity of Berichter according to the Irish annals, and generally highlighting the importance of antiquarian studies.]

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, concerning the Life of Patrick.]