"Kompozytorzy niemieccy 19 w." . . . . "Oper." . . . . . . . "Wagner" . "Richard Wagner his life in his work" . "Richard Wagner his life in his work"@en . . . . . "Wagner : das Leben im Werke" . . "Wagner : Das Leben im Werke" . . "Richard Wagner, his life in his work. Translated by M.M. Bozman"@en . . . . "Richard Wagner His life in his work" . . . . "Wagner, das leben im werke"@en . . . . . . . "Biografie" . . "Richard Wagner, his life in his work" . "Richard Wagner, his life in his work"@en . . "Richard Wagner: his life in his work"@en . . "Wagner, das Leben im Werke" . "Richard Wagner : his life in his work"@en . "Richard Wagner : his life in his work" . . . . . . . . . . "Wagner das Leben im Werke, von Paul Bekker" . . .