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  Blues - Biographie - Paul Butterfield

  https://web.archive.org/web/20090429145110/http://www.bluesroots.de/b-butter.htm

  Bluesroots.de - Die Geschichte des Blues

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  Delta Blues Festival in Greenville und Festivals in Clarksdale | Mississippi, USA | magazinUSA

  http://www.magazinusa.com/us/states/show.aspx?state=ms&doc=10&dsc=Delta_Blues_Festival_Greenville

  Keine Beschreibung vorhanden.

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