Columbia subject headings:
Graphic arts--Collectors and collecting--Poland.
Prints--Collectors and collecting--Poland.
Prints--Private collections--Poland.
Harvard subject headings:
Art--Collectors and collecting--Poland--History.
Graphic arts--Poland--History.
Princeton subject headings:
Graphic arts--Collectors and collecting--Poland.
Prints--Collectors and collecting--Poland.
Prints--Private collections--Poland.