Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Germany--Gelnhausen.
Architecture, Modern--20th century--Germany.
Architecture, Modern--21st century
Art, German--20th century.
Art, German--Gelnhausen--20th century.
Boyer, M. Christine.
Geinhausen (Germany)--Buildings, structures, etc.
Gelnhausen (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Germany--History--20th century.
Art, German--20th century.