Aria-database: Die Fledermaus - Complete libretto of the Strauss operetta. www.aria-database.com/translations/fledermaus.txt
Die Fledermaus (The Bat) - Synopsis of the operetta by Carl Haffner, Richard Genee and Johann Strauss, plus links to purchase cast albums and sheet music. www.theatrehistory.com/misc/diefledermaus.html
