"1921-11-13Z"^^ . . "0012695" . "The Single Track"@en . "The Single Track is a lost 1921 American silent melodrama film directed by Webster Campbell and starring Corinne Griffith. The film is based upon a story by Isabelle Ostrander writing under the pseudonym Douglas Grant. The film was produced and distributed by Vitagraph."@en . . . . . . .