To the president and members of the Royal Irish Academy, this rroof [i.e. proof] of the ancient history of Ireland is humbly dedicated

A Vindication of the Ancient History of Ireland: Wherein Is Shewn, I. the Descent of Its Old Inhabitants from the Phaeno-Scythians of the East. II. the Early Skill of the Phaeno-Scythians in Navigation, Arts and Letters. III. Several Accounts of the Ancie

A Grammar of the Iberno-Celtic, or Irish Language

A Grammar of the Iberno-Celtic, or Irish Language: To Which Is Prefixed an Essay on the Celtic Language, Shewing the Importance of the Iberno-Celtic or Irish Dialect, to Students in History, Antiquity, and the Greek and Roman Classics (Classic Reprint)

A Vindication of the Ancient History of Ireland

An Essay on the Antiquity of the Irish Language: Being a Collation of the Irish with the Punic Language (1818)

A Grammer of the Iberno-Celtic or Irish Language

A Vindication of the Ancient History of Ireland

Prospectus of a Dictionary of the Language of the Aire Coti, or Ancient Irish

Prospectus of a Dictionary of the Language of the Aire Coti: Or Ancient Irish, Compared with the Language of the Cuti, or Ancient Persians (1802)