O'Brien, A. P., De Valera, É., O'Brien, G., O'Connell, K., Irish Free State. Oireachtas. Dáil., & Sinn Féin. (1924). Correspondence between Art Ó Briain and Éamon De Valera regarding political divisions amongst Irish in Britain, termination of London Office and possibility of anti-Treaty "governmental inquiry" being held to try Ó Briain on charge of excessive spending.

O'Brien, Art Patrick, et al. Correspondence Between Art Ó Briain and Éamon De Valera Regarding Political Divisions Amongst Irish in Britain, Termination of London Office and Possibility of Anti-Treaty "Governmental Inquiry" Being Held to Try Ó Briain on Charge of Excessive Spending. 1924.