The Catholic religion of St. Patrick and St. Columb-kill :

and the other ancient saints of Ireland truly set forth from Roman Catholic historians, traditions of the country, records, and authentic documents /

The Lord's day :

a poem /

History of the origin and progress of the Irish Society :

established for promoting the education of the native Irish, through the medium of their own language /

Essay on the antiquity and constitution of parliaments in Ireland.

Primitive christianity in Ireland :

a letter to Thomas Moore, esq : exhibiting his misstatements in his history, respecting the introduction of Christianity into Ireland and the religious tenets of the early Irish Christians /

Primitive Christianity in Ireland. :

A letter to Thomas Moore, esq., exhibiting his misstatements in his history, respecting the introduction of Christianity into Ireland, and the religious tenets of the early Irish Christians /

Reasons and authorities and facts afforded by the history of the Irish Society, respecting the duty of employing the Irish language, as a more general mode for conveying scriptural instruction to the native peasantry of Ireland ...

Essay on the antiquity and constitution of parliaments in Ireland /

Letter from Henry Joseph Monck Mason to unknown recipients, regarding Mason's gratification on reading a favourable review of his book in a particular newspaper, 1820 Dec. 15.

History of the origin and progress of the Irish Society, established for promoting the education of the native Irish, through the medium of their own language /

The testimony of St. Patrick against the false pretensions of Rome to primitive antiquity in Ireland /

Reasons and authorities and facts afforded by the history of the Irish society respecting the duty of employing the Irish language :

as a more general medium for conveying scriptural instruction to the native peasantry of Ireland /

The Catholic religion of St. Patrick, and St. Columb-kill :

and other ancient saints of Ireland, truly set forth from Roman Catholic historians, traditions of the country, records, and authentic documents /

Essay on the cherubim of Holy Writ, in connection with the zodiac, &c. /

Reasons and authorities, and facts afforded by the history of the Irish Society, respecting the duty of employing the Irish language :

as a more general medium for conveying Scriptural instruction to the native peasantry of Ireland /

The life of William Bedell, D.D., Lord Bishop of Kilmore /

Essay on the Cherubim of Holy Writ.

A grammar of the Irish language /

Memoir of the Irish version of the Bible.

Religion of the ancient Irish saints before A.D. 600 /