Columbia subject headings:
Art, Modern--20th century--Exhibitions.
Groeneveld, A.--Art collections--Exhibitions.
Groeneveld, H.--Art collections--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Groeneveld, A.--Art collections--Exhibitions.
Groeneveld, H.--Art collections--Exhibitions.
Painting, European--Exhibitions.
Painting, Modern--20th century--Europe--Exhibitions.
Singer Museum--Exhibitions.