Crawford, L., O'Brien, A. P., Self-Determination League for Ireland of Canada, & Irish Self-Determination League of Great Britain. (1921). Correspondence of Art Ó Briain with Lindsay Crawford of the Self-Determination for Ireland League of Canada and Newfoundland, on the proposed world conferences of the Irish race to be held in Montreal and Paris.

Crawford, Lindsay, et al. Correspondence of Art Ó Briain with Lindsay Crawford of the Self-Determination for Ireland League of Canada and Newfoundland, on the Proposed World Conferences of the Irish Race to Be Held in Montreal and Paris. 1921.