1. Aitken, Ian. 1990. Film and Reform: John Grierson and the Documentary Film Movement. London and New York: Routledge.
2. Alexander, William. 1981. Film on the Left: American Documentary Film from 1931 to 1942. Princeton, NJ: Princeton University Press.
3. Bagnall, David, and Tom Hurwitz. n.d. Thomas Hurwitz. Accessed May 10, 2020. https://leohurwitz.com/
4. Barnouw, Eric. 1974. Documentary: A History of the Non-Fiction Film. New York: Oxford University Press.
5. Barsam, Richard M. 1992 [1973]. Non-Fiction Film: A Critical History Revised and Expanded. Bloomington and Indianapolis: Indiana University Press.