Columbia subject headings:
Architecture--Germany--Erfurt (Bezirk)
Architecture--Germany--Gera (Bezirk)
Architecture--Germany--Suhl (Bezirk)
Harvard subject headings:
Architecture--Germany--Erfurt (Bezirk)
Architecture--Germany--Gera (Bezirk)
Architecture--Germany--Suhl (Bezirk)
Princeton subject headings:
Architecture--Germany--Erfurt (Bezirk).
Architecture--Germany--Gera (Bezirk).
Architecture--Germany--Suhl (Bezirk).