Richardson, S. J., & Ua Ceallaigh, S. (1901). Typescript letter from Stephen J. Richardson, editor of 'The Gael', to J. J. O'Kelly [Seán Ua Ceallaigh] thanking him for procuring photographs of prominent Gaelic Leaguers in the Irish language movement in Ireland for publication in his magazine, mentioning his disappointment that Dr. Douglas Hyde cannot visit to lecture in New York, speaking of the friction between members of the Gaelic League of America and requesting suggestions as to how to complete a version of Fr. O'Growney's book 'Simple Lessons'.

Richardson, Stephen J., and Seán Ua Ceallaigh. Typescript Letter from Stephen J. Richardson, Editor of 'The Gael', to J. J. O'Kelly [Seán Ua Ceallaigh] Thanking Him for Procuring Photographs of Prominent Gaelic Leaguers in the Irish Language Movement in Ireland for Publication in His Magazine, Mentioning His Disappointment That Dr. Douglas Hyde Cannot Visit to Lecture in New York, Speaking of the Friction Between Members of the Gaelic League of America and Requesting Suggestions as to How to Complete a Version of Fr. O'Growney's Book 'Simple Lessons'. 1901.