Yosemite—The Fate of Heaven [documentary, 58 min.], [narrated by Robert Redford]. Directed by Jon Els. Sundance Institute, 1989. Available at https://www.youtube.com/watch?v=rA5IUjeTOhE. Accessed 16 February 2023.
Free Solo [documentary, 1 hr. 40 min. ]. Directed by E. Chai Vasarhelyi and Jimmy Chin. National Geographic, 2018. Preview only, available at https://www.youtube.com/watch?v=lqvbkPjQG-U. Accessed 16 February 2023.