Columbia subject headings:
Belling, Rudolf, 1886-1972--Catalogs.
Belling, Rudolf, 1886-1972.
Constructivism (Art)--Germany--Berlin--Catalogs.
Sculpture, German--Germany--Berlin--20th century--Catalogs.
Harvard subject headings:
Belling, Rudolf, 1886-1972--Catalogs.
Belling, Rudolf, 1886-1972.
Constructivism (Art)--Germany--Berlin--Catalogs.
Sculpture, Modern--20th century--Germany--Berlin--Catalogs.
Princeton subject headings:
Belling, Rudolf, 1886-1972.
Sculptors--Germany--Biography.