From A Compendium of Irish Biography, 1878
O'Brien, Henry, author of The Round Towers of Ireland, or the Mysteries of Freemasonry, of Sabaism, and of Budhism (1834), was born in Kerry in 1808, was educated at Trinity College, Dublin, and died in London, 28th June, 1835, aged 27. His extraordinary work on the Round Towers was at one time much esteemed, and was even awarded a prize of £20 by the Royal Irish Academy.
171. Ireland, History of, from the earliest period to the English Invasion: Rev. Geoffrey Keating: Translated from the Irish, and Noted by John O'Mahony. New York, 1857.
299. Round Towers of Ireland: H. O'Brien. London, 1834.