- Cogadh Gaedhel re Gallaibh: The War of the Gaedhil with the Gaill: or, The Invasions of Ireland by the Danes and Other Norsemen
- Leabhar Breathnach Annso Sis: The Irish Version of the Historia Britonum of Nennius
- The Last Age of the Church
- Six Discourses On The Prophesies Relating To Antichrist: In The Apocalypse Of St. John
- A Descriptive Catalogue of the Contents of the Irish Manuscript Commonly Called the Book of Fermoy - Primary Source Edition