O'Brien, A. P., McGrath, S., & Irish Self-Determination League of Great Britain. (1922). Correspondence between Art O'Brien and Seán McGrath, of the Irish Self-Determination League of Great Britain, concerning a meeting McGrath had with Brian O'Kennedy where he asked the I.S.D.L. to support the Provisional Government, political prisoners, and the work of the I.S.D.L.

O'Brien, Art Patrick, et al. Correspondence Between Art O'Brien and Seán McGrath, of the Irish Self-Determination League of Great Britain, Concerning a Meeting McGrath Had with Brian O'Kennedy Where He Asked the I.S.D.L. to Support the Provisional Government, Political Prisoners, and the Work of the I.S.D.L. 1922.