Columbia subject headings:
Artists--Austria--Exhibitions.
Drawing, Austrian--20th century--Exhibitions.
Hrdlicka, Alfred, 1928-2009--Exhibitions.
Harvard subject headings:
Hrdlicka, Alfred, 1928-2009--Exhibitions.
Princeton subject headings:
Hrdlicka, Alfred, 1928-2009--Exhibitions.
Lenz, Christian, 1938-