Columbia subject headings:
Offenbach, Jacques, 1819-1880--Criticism and interpretation.
Offenbach, Jacques, 1819-1880. Rheinnixen.
Harvard subject headings:
Offenbach, Jacques, 1819-1880--Criticism and interpretation.
Offenbach, Jacques, 1819-1880. Rheinnixen
Opera--19th century
Princeton subject headings:
Offenbach, Jacques, 1819-1880--Criticism and interpretation.
Offenbach, Jacques, 1819-1880. Rheinnixen.