William Shakespeare as a sign that his acting career was nearing its end. The First Folio of 1623, however, lists Shakespeare as one of "the Principal Actors in all these Plays", some of which were first staged after "Volpone", although we cannot know for certain which roles he played. In 1610, John Davies of Hereford wrote that "good Will" played "kingly" roles. In 1709, Rowe passed down a tradition that Shakespeare played the ghost of Hamlet's father. Later traditions maintain that he also played Adam in "As You Like It", and the Chorus in "Henry V", though scholars doubt the sources of
Oxfordian theory of Shakespeare authorship dozens of further pseudonyms of de Vere. Ramon Jiménez has credited Oxford with such plays as "The True Tragedy of Richard III" and "Edmund Ironside". Group theories in which Oxford played the principal role as writer, but collaborated with others to create the Shakespeare canon, were adopted by a number of early Oxfordians. Looney himself was willing to concede that Oxford may have been assisted by his son-in-law William Stanley, 6th Earl of Derby, who perhaps wrote "The Tempest". B.M. Ward also suggested that Oxford and Derby worked together. In his later writings Percy Allen argued that Oxford led a