O'Brien, A. P. (1922). Miscellaneous documents, including reports of pogroms in Belfast and of meetings in England to protest against victimisation of Trade Unionists in the city, action for libel by Art Ó Briain against 'The Catholic Herald' in regard to the finances of the Irish Self-Determination League and copy for a pamphlet on Erskine Childers.

O'Brien, Art Patrick. Miscellaneous Documents, Including Reports of Pogroms in Belfast and of Meetings in England to Protest Against Victimisation of Trade Unionists in the City, Action for Libel by Art Ó Briain Against 'The Catholic Herald' in Regard to the Finances of the Irish Self-Determination League and Copy for a Pamphlet on Erskine Childers. 1922.