Mirror for Magistrates, Volume 2, Part 1Note 981 — Howe Richarde Plantagenet Duke of Yorke was slayn through his ouer rash boldnes, and his sonne the Earle of Rutland for his lacke of valiaunce, An. Dom. 1460.[950]Reading editionTo, added. 1571.◇Copy noteReturn to Howe Richarde Plantagenet Duke of Yorke was slayn through his ouer rash boldnes, and his sonne the Earle of Rutland for his lacke of valiaunce, An. Dom. 1460.[950]