Columbia subject headings:
Muzeum Narodowe w Warszawie--Exhibitions.
Prints, European--Exhibitions.
Prints, Polish--Exhibitions.
Prints--Collectors and collecting--Poland--History--19th century--Exhibitions.
Prints--Collectors and collecting--Poland--History--20th century--Exhibitions.
Prints--Poland--Warsaw--Exhibitions.
Harvard subject headings:
Muzeum Narodowe w Warszawie--Exhibitions.
Prints, European--Exhibitions.
Prints--Collectors and collecting--Poland--Exhibitions.
Prints--Poland--Warsaw--Exhibitions.
Princeton subject headings:
Muzeum Narodowe w Warszawie--Exhibitions.
Prints, European--Exhibitions.
Prints--Collectors and collecting--Poland--Exhibitions.
Prints--Poland--Warsaw--Exhibitions.