Columbia subject headings:
Painting, Polish--19th century--Exhibitions.
Painting, Polish--20th century--Exhibitions.
Harvard subject headings:
Art, Polish--19th century--Exhibitions.
Art, Polish--20th century--Exhibitions
Art--Poland--Warsaw--Exhibitions.
Princeton subject headings:
Painters--Poland.
Painting, Polish--19th century--Exhibitions.
Painting, Polish--20th century--Exhibitions.