Pro and contra Wagner /

by Mann, Thomas (1875-1955)
Published 1985

Wagner : el hombre y el artista /

by Newman, Ernest
Published 1982

Wagner y Nietzsche : el mistagogo y el apóstata /

by Fischer-Dieskau, Dietrich
Published 1982

Wagner /

by Gras Balaguer, Menene
Published 1981

Ricardo Wagner : el coloso germánico /

by Ruiz Tarazona, Andrés (1936-)
Published 1975

Richard Wagner's music dramas /

by Dahlhaus, Carl, (1928-1989)
Published 1971