Columbia subject headings:
Architectural firms--Germany--Frankfurt am Main.
Architecture--Germany--Frankfurt am Main--History--20th century.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Giefer, Alois, 1908-1982.
Mäckler, Hermann, 1910-1985.
Harvard subject headings:
Architectural firms--Germany--Frankfurt am Main--History--20th century.
Architectural firms--Germany--Frankfurt am Main.
Architecture--Germany--Frankfurt am Main--History--20th century
Architecture--Germany--Frankfurt am Main--History.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Giefer, Alois, 1908-1982.
Mäckler, Hermann, 1910-1985.
Princeton subject headings:
Architectural firms--Germany--Frankfurt am Main--History--20th century.
Architecture--Germany--Frankfurt am Main--History--20th century.
Frankfurt am Main (Germany)--Buildings, structures, etc.
Giefer, Alois, 1908-1982.
Mäckler, Hermann, 1910-1985.