Columbia subject headings:
Harvard subject headings:
Museum Ridder Smidt van Gelder--Catalogs.
Painting, Modern--Catalogs
Painting--Belgium--Antwerp--Catalogs.
Princeton subject headings:
Catalogs.
Museum Ridder Smidt van Gelder--Catalogs.
Painting, Modern--Catalogs.
Painting--Belgium--Antwerp--Catalogs.