The Holocaust: An Introductory History
http://www.jewishvirtuallibrary.org/jsource/Holocaust/history.html
Some brief background information on the development of the Holocaust
Art Spiegelman Discusses the Art of Comics
http://arts.gov/NEARTS/2013v2-ahead-their-time/mixing-words-and-pictures
An interview which helps place Spiegelman in the twentieth-century comic context. He explains comics' significance to himself and to society.
"The Man Who Made Maus"
http://www.ew.com/ew/article/0,,316498,00.html
Spiegelman discusses the development of Maus.