Columbia subject headings:
Hauer, Josef Matthias, 1883-1959--Exhibitions.
Twelve-tone system--Exhibitions.
Harvard subject headings:
Composers--Austria--Exhibitions.
Hauer, Josef Matthias, 1883-1959--Exhibitions.
Twelve-tone system--Exhibitions.
Twelve-tone system--History and criticism--Exhibitions.
Princeton subject headings:
Composers--Austria--Exhibitions.
Hauer, Josef Matthias, 1883-1959--Exhibitions.
Twelve-tone system--History and criticism--Exhibitions.