I found all of these books in libraries. Most are out of print and extremely expensive, so although some are available for sale, I’d check the library first:
- Reynolds, Richard. Superheroes: A Modern Mythology. Great Britain: BPCC Hazells Ltd, 1992. (Buy it here)
- Magnussen, Anne, and Hans-Christian Christiansen, eds. Comics & Culture: Analytical and Theoretical Approaches to Comics. Denmark: Museum Tusculanum Press, 2000. (Buy it here)
- Bongco, Mila. Reading Comics: Language, Culture, and the Concept of the Superhero in Comic Books. New York NY: Garland Publishing Inc., 2000. (Buy it here) (Google Book Preview)
- McAllister, Matthew P., and Edward H. Sewell, Jr., and Ian Gordon. Comics & Ideology. New York: Peter Lang Publishing, Inc., 2001. (Buy it here)
- Beaty, Bart. Unpopular Culture: Transforming the European Comic Book in the 1990s. Toronto, ON: University of Toronto Press, 2007. (Buy it here)
- Barbieri, Daniele. I Linguaggi Del Fumetto. Milano: Gruppo Editoriale Fabbri, 1991. (Buy it here)
