Kongo, news item reporting that the film was already in production in August on the MGM lot, ahead of the filming of Red Dust. The Film Daily, August 26, 1932, page 8. Internet Archive. Retrieved August 22, 2018.
"The Shadow Stage: Kongo—M-G-M", Photoplay (Chicago, Illinois), December 1932, page 104. Internet Archive. Retrieved August 23, 2018.
"WHAT THE PICTURE DID FOR ME: KONGO", forum for theater owners, Motion Picture Herald (New York, N.Y.), December 31, 1932, pp. 50, 52. Internet Archive. Retrieved May 14, 2019.
"MGM/KONGO", Motion Picture Herald, March 25, 1933, p. 38. Retrieved May 15, 2019.
ibdb.com
Kongo, stage play, as produced on Broadway at the Biltmore Theatre, March 30, 1926 to July 1926; IBDb.com database. Retrieved August 23, 2018.