[1] Poag, James F. "Pied Piper of Hamelin." World Book Online Reference Center. 2008. 4 September 2008 参照
findarticles.com
Twist in the tale of Pied Piper's kidnapping by Imre Karacs, Independent, The (London), January 27, 1998. Online version Provided by ProQuest Information and Learning Company — September 5, 2008 参照
goethe.de
German Traditions The Pied Piper of Hamelin — Goethe-Institut Dublin. Accessed September 5, 2008 参照
GERMAN-BOHEMIAN Mailing List Laurences question: RootsWeb Mon, 13 March 2006 10:12:12 -0800 "Furthermore, The German areas had been colonized in a big way since 1254 AD on behest of the Bohemian King Ottokar II and his faithful servant the good Bishop of Olmuetz (Olomouc)Bruno von Schaumburg who helped him settle the North Eastern part of Bohemia and Moravia." September 5, 2008 参照