Columbia subject headings:
Cities and towns--Europe--History.
Cities and towns--Europe--Maps.
Europe--Maps.
Maps.
Urbanization--Europe--History.
Harvard subject headings:
Cities and towns--Europe--History
Cities and towns--Europe--Maps
Europe--Maps.
Urbanization--Europe--History
Princeton subject headings:
Cities and towns--Europe--Maps.
Europe--Maps.
Maps.
Urbanization--Europe--History.