O'Brien, A. P., Moynihan, J. P., Plunkett, G. N., Ua Ceallaigh, S., De Valera, É., Republican Prisoners' Committee, . . . Fianna Fáil. (1928). Flyers for Republican organisations and events, including Irish Self-Determination League anniversary commemoration of Terence MacSwiney, with a typescript copy statement denouncing Art Ó Briain and the commemoration, and also a typescript copy letter of Ó Briain to Éamon De Valera.

O'Brien, Art Patrick, et al. Flyers for Republican Organisations and Events, Including Irish Self-Determination League Anniversary Commemoration of Terence MacSwiney, with a Typescript Copy Statement Denouncing Art Ó Briain and the Commemoration, and Also a Typescript Copy Letter of Ó Briain to Éamon De Valera. 1928.