Columbia subject headings:
Cities and towns--Portugal--History.
City planning--Portugal--History.
City planning--Portugal.
City planning--Study and teaching--Portugal.
Harvard subject headings:
Cities and towns--Portugal--History.
City planning--Portugal--History.
City planning--Portugal.
City planning--Study and teaching--Portugal.
Princeton subject headings:
Cities and towns--Portugal--History.
City planning--Portugal--History.
City planning--Portugal.
City planning--Study and teaching--Portugal.