MacLysaght, E., O'Brien, W., & Irish Manuscripts Commission. (1964). Letter from E[dward] MacL[ysaght] to William O'Brien informing him of an interview in the 'Irish Times' with Seán T. O'Kelly in which he discusses a meeting "deciding on a Rising" in 1914 where "Tom Clarke, Pearse, MacDonagh" and "Connolly and William O'Brien" were present and advising a version from his point of view should be included in his book.

MacLysaght, Edward, et al. Letter from E[dward] MacL[ysaght] to William O'Brien Informing Him of an Interview in the 'Irish Times' with Seán T. O'Kelly in Which He Discusses a Meeting "Deciding on a Rising" in 1914 Where "Tom Clarke, Pearse, MacDonagh" and "Connolly and William O'Brien" Were Present and Advising a Version from His Point of View Should Be Included in His Book. 1964.