- c.1809 × 1813
- Mícheál Óg Ó Longáin, Peadar Ó Longáin
Catalogue of manuscripts in the library of Edward O’Reilly.
Facsimile transcript of the Book of Lismore produced by Eugene O'Curry for the Royal Irish Academy, with the assistance of John O'Donovan.
- Eugene O'Curry
Transcript of the Book of Lismore made for the Royal Irish Academy by Seosamh Ó Longáin in 1868.
- Seosamh Ó Longáin