Columbia subject headings:
Art, Dutch--20th century.
Art--Netherlands--Zutphen.
Museum Henriette Polak.
Harvard subject headings:
Art, Dutch--20th century
Art--Netherlands--Zutphen.
Museum Henriette Polak.
Princeton subject headings:
Art, Dutch--20th century.
Art--Netherlands--Zutphen.
Museum Henriette Polak.