Columbia subject headings:
Oestreicher, Helly, 1936-
Sculpture, Dutch--20th century.
Sculpture, Modern--20th century.
Harvard subject headings:
Oestreicher, Helly, 1936-
Sculpture, Dutch--20th century.
Sculpture, Modern--20th century
Princeton subject headings:
Oestreicher, Helly, 1936-
Sculpture, Dutch--20th century.
Sculpture, Modern--20th century.