Columbia subject headings:
Harvard subject headings:
Prints--20th century--Exhibitions
Torf, Lois--Art collections--Exhibitions.
Torf, Michael--Art collections--Exhibitions.
Princeton subject headings:
Prints--20th century--Exhibitions.
Prints--Private collections--Massachusetts--Boston--Exhibitions.
Torf, Lois--Art collections--Exhibitions.
Torf, Michael--Art collections--Exhibitions.