O'Brien, A. P., Gaelic League of London, & Gaelic League. (1924). Circular by the Gaelic League of London announcing a meeting of members to discuss the future of the organisation, letter in Irish with an English translation by O'Brien protesting the new constitution of the Gaelic League (Ireland), and a statement concerning the necessity of keeping the headquarters of the Gaelic League of London.

O'Brien, Art Patrick, et al. Circular by the Gaelic League of London Announcing a Meeting of Members to Discuss the Future of the Organisation, Letter in Irish with an English Translation by O'Brien Protesting the New Constitution of the Gaelic League (Ireland), and a Statement Concerning the Necessity of Keeping the Headquarters of the Gaelic League of London. 1924.