O'Brien, W., Whitty, J., & Ireland. Army. (1923). Copy of letter from William O'Brien to John Whitty forwarding a copy of the letter O'Brien sent to the General Headquarters of the Irish Republican Army at Portobello Barracks, regarding an injury his daughter Margaret Whitty claimed to have sustained during her imprisonment.

O'Brien, William, et al. Copy of Letter from William O'Brien to John Whitty Forwarding a Copy of the Letter O'Brien Sent to the General Headquarters of the Irish Republican Army at Portobello Barracks, Regarding an Injury His Daughter Margaret Whitty Claimed to Have Sustained During Her Imprisonment. 1923.