O'Brien, A. P., Collins, C., & Irish Self-Determination League of Great Britain. (1919). Material relating to the central branch of the Irish Self-Determination League of Great Britain including leaflets, agendas, addresses to the Irish people in Great Britain, and letters concerning meetings and other administrative matters.

O'Brien, Art Patrick, et al. Material Relating to the Central Branch of the Irish Self-Determination League of Great Britain Including Leaflets, Agendas, Addresses to the Irish People in Great Britain, and Letters Concerning Meetings and Other Administrative Matters. 1919.