O'Sullivan, M., & Church Education Society for Ireland. (1841). Reasons for declining to be connected with the system of national education.: A speech delivered at the meeting of the Church Education Society, April, 1841. William Curry, Jun. and Company, 9, Upper Sackville-Street..

O'Sullivan, Mortimer, and Church Education Society for Ireland. Reasons for Declining to Be Connected with the System of National Education.: A Speech Delivered at the Meeting of the Church Education Society, April, 1841. William Curry, Jun. and Company, 9, Upper Sackville-Street., 1841.