Columbia subject headings:
Harvard subject headings:
Bönsch, Elisabeth--Art collections--Exhibitions.
Bönsch, Hans-Joachim--Art collections--Exhibitions.
Liebermann, Max, 1847-1935--Exhibitions.
Prints--Private collections--Exhibitions.
Princeton subject headings:
Bönsch, Elisabeth--Art collections--Exhibitions.
Bönsch, Hans-Joachim--Art collections--Exhibitions.
Liebermann, Max, 1847-1935--Exhibitions.