Madame Butterfly: E-text version of the 1903 Grosset and Dunlap edition by John Luther long, complete with scanned versions of the original illustrations . From American Studies at the University of Virginia.
Madame Butterfly: A short history of the story by John Luther Long, including the opera by Giacomo Puccini and a review of the 1995 film version from French director Frédéric Mitterrand.