"Seán MacDiarmada"(PDF). The 1916 Rising: Personalities and Perspectives. National Library of Ireland. 2006. Archived(PDF) from the original on 25 April 2016. Retrieved 18 November 2010.
"Seán MacDiarmada"(PDF). The 1916 Rising: Personalities and Perspectives. National Library of Ireland. 2006. Archived(PDF) from the original on 25 April 2016. Retrieved 18 November 2010.