Pamphlet by Fr Thomas Halpin SJ entitled "Principles of Plane and Spherical Trigonometry Adapted to the Class of Rhetoric in Clongowes Wood College SJ", published by James McGlashen, 50 Upper Sackville Street, Dublin, 1854 and printed at the University Press, by M. H. Gill. It is not ascribed on the pamphlet itself, but there is a note in pencil by Fr Edmund Hogan SJ ascribing this pamphlet to Fr Thomas Halpin SJ

Text of the inaugural address delivered by Fr John J O'Carroll SJ delivered at the opening academical session of the Clongowes Wood College SJ Historical and Debating Society 1874-1875. Published by McGlashan and Gill, Upper Sackville Street, Dublin. Fr O'Carroll was President of the Society, and Prefect of Studies in Clongowes at that time. He subsequently became Professor of Modern Languages at Catholic University (University College Dublin), reputed to be a master of fourteen languages. he dedicates this address to James Arthur Dease, to whom he was related and who had died in September 1874. His topic in this address was that of "Eloquence" as distinguished from Oratory or Rhetoric.