Claim: On April 28, 1913, the Balboa Amusement Producing Company entered into a contract with Jack London allowing the studio to make film adaptation of the latter's novels, but in the beginning of August, Variety announced a contract between the Bosworth Company and Jack London to produce film versions of London's novels.
Evidence: A contract between Balboa and Jack London was signed on April 28, 1913, allowing the studio to make film adaptations of his novels. In the beginning of August, Variety announced a contract between the Bosworth Company and Jack London to produce film versions of London's novels.