O'Brien, A. P., Killeen, R. R., Moran, J. S. F., O’Leary, M. S. F., & Sinn Féin. (1922). Correspondence between Art O'Brien and members of Sinn Féin in Great Britain, including Roisín Killeen in the Roger Casement Cumann in London and James Moran and Michael O'Leary in Liverpool, concerning the organisation of the Sinn Féin Ard Fhéis.

O'Brien, Art Patrick, et al. Correspondence Between Art O'Brien and Members of Sinn Féin in Great Britain, Including Roisín Killeen in the Roger Casement Cumann in London and James Moran and Michael O'Leary in Liverpool, Concerning the Organisation of the Sinn Féin Ard Fhéis. 1922.