[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing the meaning of the Irish word buidechuir.]

[Letter from John O'Donovan (Trinity College, Dublin) to William Reeves (Lusk, Co. Dublin), discussing the Irish names for the names of the week.]

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

[Letter from John O'Donovan (Ulster Railway Hotel, Belfast, Co. Antrim), to William Reeves, concerning a Life of Patrick in one of MacAdam's vellum manuscripts.]

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, concerning a request from Robert MacAdam, and discussing Reeves's work on Life of Patrick.]

[Letter from John O'Donovan (36 Buckingham Street, Dublin) to William Reeves, discussing the meaning of the Irish word Drui or Drai.]