Warner Bros financial information in The William Schaefer Ledger. See Appendix 1, Historical Journal of Film, Radio and Television, (1995) 15:sup1, 1-31 p 1 doi:10.1080/01439689508604551
"In Gang Drama". Los Angeles Evening Citizen News. January 21, 1941. p. 6 – via Newspapers.com.
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Crowther, Bosley. The New York Times, film review, "High Sierra, Considers the Tragic and Dramatic Plight of the Last Gangster," January 25, 1941. Accessed: January 29, 2008.