Columbia subject headings:
City planning--Germany (East)--History--20th century.
City planning--Germany--History--20th century.
Urbanization--Germany (East)--History--20th century.
Urbanization--Germany--History--20th century.
Harvard subject headings:
City planning--Germany (East)--History--20th century.
City planning--Germany (West)--History--20th century.
Urbanization--Germany (East)--History--20th century.
Urbanization--Germany (West)--History--20th century.
Princeton subject headings:
City planning--Germany (East)--History--20th century.
City planning--Germany--History--20th century.
Urbanization--Germany (East)--History--20th century.
Urbanization--Germany--History--20th century.