Referenced O'Brien, Fitz-James Ballad of the Shamrock Mention O'Brien, Fitz-James. "Ballad of the Shamrock." Harper's New Monthly Magazine. New York: Harper and Bros. (1861-3-1). Type author
O'Brien, Fitz-James. "Ballad of the Shamrock." Harper's New Monthly Magazine. New York: Harper and Bros. (1861-3-1).