Irish Self-Determination League of Great Britain & O'Brien, A. P. (1921). Reports on meetings of Irish Self-Determination League Standing Committee, with copy resolutions regarding Anglo-Irish Articles of Agreement (6 December 1921), annulled resolution of Art Ó Briain (14 January) and resolution about political prisoners (15 January).

Irish Self-Determination League of Great Britain and Art Patrick O'Brien. Reports on Meetings of Irish Self-Determination League Standing Committee, with Copy Resolutions Regarding Anglo-Irish Articles of Agreement (6 December 1921), Annulled Resolution of Art Ó Briain (14 January) and Resolution About Political Prisoners (15 January). 1921.