The True Tragedy of Richard III a source for his play, though the majority tend to favour this judgement. Geoffrey Bullough treats "The True Tragedy" as a "probable source" for "Richard III", citing several commonalities (as when, in both plays, Richard calls for a horse on Bosworth Field, yet refuses to flee the battle) — though Bullough admits that the nature of the plays' relationship is "not clear." The uncertainty in dating has allowed a few commentators to propose a reversed priority, and to argue that the author (or reviser) of "The True Tragedy" may have borrowed from Shakespeare's play. Shakespeare appears to have known of
Richard III of England of the rear of the skull. Richard III was the last English king to be killed in battle. Polydore Vergil, Henry Tudor's official historian, recorded that "King Richard, alone, was killed fighting manfully in the thickest press of his enemies". Richard's naked body was then carried back to Leicester tied to a horse, and early sources strongly suggest that it was displayed in the collegiate Church of the Annunciation of Our Lady of the Newarke, prior to being buried at Greyfriars Church in Leicester. In 1495, Henry VII paid for a marble and alabaster monument. According to a discredited tradition,