Columbia subject headings:
Architects--Germany--Exhibitions.
Architecture--Germany--History--20th century--Exhibitions.
Bonatz, Paul, 1877-1956--Exhibitions.
Harvard subject headings:
Architects--Germany
Architecture, Modern--20th century--Germany--Exhibitions.
Bonatz, Paul, 1877-1956--Exhibitions.
Princeton subject headings:
Architects--Germany.
Architecture, Modern--20th century--Germany--Exhibitions.
Bonatz, Paul, 1877-1956--Exhibitions.