Columbia subject headings:
Dijkstra, Johan, 1896-1978--Exhibitions.
Painting, Dutch--20th century--Exhibitions.
Painting, Dutch--Exhibitions.
Ploeg (Group of artists)--Exhibitions.
Harvard subject headings:
Dijkstra, Johan, 1896-1978--Exhibitions.
Princeton subject headings:
Dijkstra, Johan, 1896-1978--Exhibitions.