[Letter from William Reeves (Ballymena, Co. Antrim) to John O'Donovan, concerning the translation of some extracts from the Annals of Ulster; includes O'Donovan's response.]
[Letter from William Reeves (Parsonage, Ballymena, Co. Antrim) to John O'Donovan (8 Newcomen Place, North Strand, Dublin), incorporating O'Donovan's response to queries.]
[Letter from William Reeves (The Vicarage, Lusk, Co. Dublin) to John O'Donovan, asking for English translation of an Irish passage quoted in a work by Zeuss; includes O'Donovan's response.]
[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves (Parsonage House, Ballymena, Co. Antrim), discussing the meaning of some Irish words, particularly from the Belfast bell inscription.]
[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves (Parsonage House, Ballymena, Co. Antrim), discussing Irish clans and the genealogies of O'Neill and MacDonnell.]
[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, discussing the provenance of the Belfast bell, and referring to an internal dispute in the Royal Irish Academy.]
[Letter from John O'Donovan (8 Newcomen Place, North Strand, Dublin) to William Reeves, discussing the O'Neill genealogy and the Royal Irish Academy dispute.]
[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.]
[Letters from John O'Donovan, Dublin to William Reeves (Diocesan School, Ballymena, Co. Antrim), discussing his and O'Curry's transcription of the Brehon Laws.]