^Blum, Da (June 1964). Daniel Blum's Screen World, 1964. Vol. 15. Biblo & Tannen Publishers. p. 214. ISBN 978-0-8196-0305-0.
^Kinnard, Roy; Crnkovich, Tony (21 February 2017). Italian Sword and Sandal Films, 1908-1990. McFarland. p. 16. ISBN 978-1-4766-6291-6.
^O'Brien, D. (29 October 2014). Classical Masculinity and the Spectacular Body on Film: The Mighty Sons of Hercules. Palgrave Macmillan UK. p. 110. ISBN 978-1-137-38471-3.