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
USS Richard S. Edwards with the carriers as escort and plane-guard, until November. She returned to Pearl Harbor on 10 November 1972, operating out of that port until decommissioned on 15 December 1982. Richard S. Edwards received six battle stars for service off Vietnam. She was decommissioned 15 December 1982, stricken 7 February 1990, and sunk as a target ship off the coast of Kauai on 12 May 1997. USS Richard S. Edwards USS "Richard S. Edwards" (DD-950), named for Admiral Richard Stanislaus Edwards USN (1885–1956), was a Forrest Sherman class destroyer built by the Puget Sound Bridge and Dredging Company at Seattle, Washington