Columbia subject headings:
Sculpture, Modern--20th century--Exhibitions.
Sculpture--Germany--Duisburg--Exhibitions.
Wilhelm-Lehmbruck-Museum der Stadt Duisburg--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Sculpture, Modern--20th century--Exhibitions.
Sculpture--Germany (West)--Duisburg--Exhibitions.
Wilhelm-Lehmbruck-Museum der Stadt Duisberg--Exhibitions.