Columbia subject headings:
Harvard subject headings:
Art, German--Germany (East)--Exhibitions.
Art, Modern--20th century--Germany (East)--Exhibitions.
Ludwig-Institut für Kunst der DDR--Exhibitions.
Princeton subject headings:
Art, German--Germany (East)--Exhibitions.
Art, Modern--20th century--Germany (East)--Exhibitions.
Ludwig-Institut für Kunst der DDR--Exhibitions.