Joseph Heller Archive
http://www.sc.edu/library/spcoll/amlit/heller/heller.html
A site with recordings and images of actual material used by Joseph Heller.
Deadly Unconscious Logics In Joseph Heller's Catch-22
http://www.human-nature.com/rmyoung/papers/heller.html
An essay discussing psychological aspects of the novel.
World War II on the Web
http://www.geocities.com/Athens/Oracle/2691/links.htm
A detailed and organized website that provides an excellent source for links regarding various incidents and warcraft of World War II.