Columbia subject headings:
Harvard subject headings:
Composers--Biography
Dargomyzhski, Aleksandr Sergeevich, 1813-1869--History and criticism--Sources.
Music--History and criticism
Verdi, Giuseppe, 1813-1901--History and criticism--Sources.
Wagner, Richard, 1813-1883--History and criticism--Sources.
Princeton subject headings:
Dargomyzhski, Aleksandr Sergeevich, 1813-1869--History and criticism--Sources.
Verdi, Giuseppe, 1813-1901--History and criticism--Sources.
Wagner, Richard, 1813-1883--History and criticism--Sources.