Columbia subject headings:
Harvard subject headings:
City planning--Portugal--Lisbon--History.
Lisbon (Portugal)--Buildings, structures, etc.
Lisbon (Portugal)--Description and travel
Lisbon (Portugal)--History.
Lisbon (Portugal)--Pictorial works.
Lisbon (Portugal)--Social life and customs.
Princeton subject headings:
City planning--Portugal--Lisbon--History.
Lisbon (Portugal)--Buildings, structures, etc.
Lisbon (Portugal)--History.