Richard Wagner Gregor Dellin

PIPER

Richard Wagner: Sein Leben. Sein Werk. Sein Jahrhundert

DMG Edizioni

Richard Wagner: La vita, le opere, il suo tempo (Italian Edition)

FAYARD

Richard Wagner: Sa vie, son oeuvre, son siècle  

Harcourt

Richard Wagner: His Life, His Work, His Century  

FisicalBook

Richard Wagner - die Revolution als Oper        

GALLIMARD

Richard Wagner au jour le jour                  

Richard Wagner. Leben - Werk - Wirkung          

Horbuch Hamburg

Richard Wagner                                  

Cambridge University Press

Richard Wagner: Self-Promotion and the Making of a Brand (English Edition)

Overture Publishing

Parsifal: Richard Wagner (The Overture Opera Guides)