Columbia subject headings:
Hauff, Günther, 1927---Art collections--Exhibitions.
Hauff, Renate--Art collections--Exhibitions.
Konrad Kohlhammer-Stiftung--Exhibitions.
Prints--20th century--Exhibitions.
Prints--Germany--Stuttgart--20th century--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art--Germany--Stuttgart--Exhibitions.
Staatsgalerie Stuttgart--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art--Germany--Stuttgart--Exhibitions.
Staatsgalerie Stuttgart--Exhibitions.