Please add to the list references that can be used for the film article.
De Croix, R. (1984). "Fighting for reappraisal – films of the little fellow". Classic Images (105): 21–22. {{cite journal}}: Unknown parameter |month= ignored (help)
Harness, Kyp (2008). "The Circus". The Art of Charlie Chaplin: A film-by-film analysis. McFarland & Co. ISBN0786431938.
Heller, Berndt (1998). "The reconstruction of Eisler's film music: Opus III, Regen and The Circus". Historical Journal of Film, Radio and Television. 18 (4): 541–559.
Jaffe, Ira S. (1984). "Chaplin's labor of performance: The Circus & Limelight". Literature/Film Quarterly. 12 (3): 202–210.
Louvish, Simon (2009). "The Circus". Chaplin: The Tramp's Odyssey. Faber and Faber. ISBN0571237681.
Maland, Charles J. (1989). "The Burden of Being Funny: The Circus". Chaplin and American Culture: The Evolution of a Star Image. Princeton University Press. ISBN0691094403.
McCabe, John (1978). "The Circus". Charlie Chaplin. Doubleday. ISBN0385114451.
Schickel, Richard (2006). "The Circus". The Essential Chaplin: Perspectives on the Life and Art of the Great Comedian. I.R. Dee. ISBN1566636825.
Vance, Jeff (2003). "The Circus". Chaplin: Genius of the Cinema. Harry N. Abrams. ISBN0810945320.