Preface. a List of Such Come Dias Autos of Calderon as Have Been Analyzed or Partly Translated Into English (P.Xxvi-Xxviii) the Constant Prince (El Principe Constante) the Secret in Words (El Secreto a Voces) the Calderon De La Barca, Pedro, 1600-1681. Dramas. 1853. Physician of His Own Honour...(En