Sources

http://www.biography.com/people/richard-wagner-9521202#early-life&awesm=~oCK8CaLaXuqRnJ

http://thewistfulmuse.com/?attachment_id=318

http://richardwagner.co.za

http://www.ivu.org/history/europe19b/wagner.html

http://tv.orf.at/orf3/stories/2587185/

http://www.the-wagnerian.com/2013/05/video-lecture-how-richard-wagner.html