Columbia subject headings:
Bloch, Ernest, 1880-1959. Macbeth.
Shakespeare, William, 1564-1616. Macbeth.
Verdi, Giuseppe, 1813-1901. Macbeth.
Harvard subject headings:
Bloch, Ernest, 1880-1959. Macbeth.
Macbeth, King of Scotland, active 11th century--Songs and music--History and criticism.
Opera
Verdi, Giuseppe, 1813-1901. Macbeth.
Princeton subject headings:
Bloch, Ernest, 1880-1959. Macbeth (Opera)
Opera.
Verdi, Giuseppe, 1813-1901. Macbeth.