Ó Ceallaigh, S. T., O'Brien, W., Boland, H., Johnson, T., & Cumann na Poblachta. (1922). Copy typescript letter from Seán T. Ó Ceallaigh and E.Ó Caolain of Cumann na Poblachta, to William O'Brien forwarding a copy of a letter they had sent to Thomas Johnson, Secretary fo the Labour Party declining Johnson's invitation to a meeting of the Irish Labour Party.

Ó Ceallaigh, Seán T., et al. Copy Typescript Letter from Seán T. Ó Ceallaigh and E.Ó Caolain of Cumann Na Poblachta, to William O'Brien Forwarding a Copy of a Letter They Had Sent to Thomas Johnson, Secretary Fo the Labour Party Declining Johnson's Invitation to a Meeting of the Irish Labour Party. 1922.