National Theatre, Washington, D.C., direction A.L. Erlanger Realty Corp. and W.H. Rapley, business management S.E. Cochran, third play of the American Theatre Society and Theatre Guild subscription season, the Theatre Guild presents "Mary of Scotland," a new play by Maxwell Anderson with Helen Hayes, Philip Merivale, Helen Menken, the production directed by Theresa Helburn, settings and costumes designed by Robert Edmond Jones.