Irish Self-Determination League of Great Britain & O'Brien, A. P. (1923). Resolution passed at a meeting of Irish residents in London requesting the release of Irish political prisoners, with a notice of an anniversary mass for Terence MacSwiney and a concert to be held in conjunction with the meeting, and a message from Art Ó Briain and fellow prisoners.

Irish Self-Determination League of Great Britain and Art Patrick O'Brien. Resolution Passed at a Meeting of Irish Residents in London Requesting the Release of Irish Political Prisoners, with a Notice of an Anniversary Mass for Terence MacSwiney and a Concert to Be Held in Conjunction with the Meeting, and a Message from Art Ó Briain and Fellow Prisoners. 1923.