. . . . . . "Frontline: The Shakespeare mystery"@en . . . . . . . . "Frontline"@en . "Presents the controversial theory that Shakespeare was not the suthor of all his works." . . . "Presents the thesis that the plays attributed to William Shakespeare were written by Edward De Vere, the Earl of Oxford."@en . . . . "The Shakespeare mystery"@en . "The Shakespeare mystery" . "Films for the hearing impaired"@en . . . .