O'Brien, A. P., Ua Ceallaigh, S., & Cumann na Poblachta. (1922). Material relating to the Dáil Éireann London Office, including a statement by Art Ó Briain on his arrest, a copy of 'The Fenian' and an incomplete copy of issue no. 10 of 'The Nation', with typescript copy cover-letters relating to a collection for the family of Reginald Dunne and Joseph O’Sullivan.

O'Brien, Art Patrick, et al. Material Relating to the Dáil Éireann London Office, Including a Statement by Art Ó Briain on His Arrest, a Copy of 'The Fenian' and an Incomplete Copy of Issue No. 10 of 'The Nation', with Typescript Copy Cover-letters Relating to a Collection for the Family of Reginald Dunne and Joseph O’Sullivan. 1922.