Columbia subject headings:
Harvard subject headings:
Architects--Germany
Architecture, Modern--20th century--Germany--Frankfurt am Main.
Architecture--Germany--Frankfurt am Main.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Museum architecture--Germany--Frankfurt am Main--Exhibitions.
Princeton subject headings:
Architecture, Modern--20th century--Germany--Frankfurt am Main--Exhibitions.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Museum architecture--Germany--Frankfurt am Main--Exhibitions.
Museum buildings--Germany--Frankfurt am Main--Exhibitions.