- Eugene O'Neill. Nine Plays. New York: Modern Library, 1932.
- Robert M. Dowling. Eugene O'Neill: A Life in Four Acts. New Haven: Yale University Press, 2014.
- "Film Adaptation." May 27, 2019. <https://catalog.afi.com/Catalog/moviedetails/466>.
- "The Hairy Ape as Existentialist Allegory." May 27, 2019. <http://www.eoneill.com/library/newsletter/iii_1/iii-1b.htm>.
- "The Hairy Ape Text." May 27, 2019. <https://www.eoneill.com/texts/ha/contents.htm>.
- "Review of 2016 Steven Berkoff Production." May 27, 2019. <https://www.latimes.com/entertainment/arts/la-et-cm-hairy-ape-play-review-20160511-snap-story.html>.
The Hairy Ape
by Eugene O'Neill
The Hairy Ape Sources and ClassicNote Author
