Meyers Opernbuch : Einführung in die Wort- und Tonkunst unserer Spielplanopern /

by Schumann, Otto, 1895-1964
Published 1936

Opernführer /

by Strantz, Ferdinand von, 1821-1909, Abendroth, Walter, 1896-1973
Published 1935

Opera : průvodce operní tvorbou /

by Hostomská, Anna, 1907-1995
Published 2018