Columbia subject headings:
Harvard subject headings:
City planning--Germany--History
City planning--Greece
City planning--History
City planning--Rome.
Dwellings--Germany--History.
Dwellings--History
Housing policy--Germany--History.
Housing--Germany--History.
Housing--History.
Sociology, Urban--Germany.
Princeton subject headings:
City planning--Germany--History.
Housing policy--Germany--History.
Housing--Germany--History.
Sociology, Urban--Germany.