Bibliographical links

OPAC Unipv

https://openweb.unipv.it/openweb/#!cerca?q=richard%20wagner

Person Links

Altra fonte

Treccani - Enciclopedia on line

Enciclopedia Italiana link

http://www.treccani.it/enciclopedia/wilhelm-richard-wagner_%28Enciclopedia-Italiana%29/

Wikipedia link

https://it.wikipedia.org/wiki/Richard_Wagner

Encyclopaedia Britannica

https://www.britannica.com/biography/Richard-Wagner-German-composer