Columbia subject headings:
Architecture in art--Exhibitions.
Cities and towns in art--Exhibitions.
Germany in art--Exhibitions.
Klinkert, Walter, 1901-1959--Exhibitions.
Harvard subject headings:
Architecture in art--Exhibitions.
Cities and towns in art--Exhibitions
Etching, German--Germany (West)--Exhibitions.
Etching--20th century--Germany (West)--Exhibitions.
Germany--In art--Exhibitions.
Klinkert, Walter, 1901-1959--Exhibitions.
Princeton subject headings: