Columbia subject headings:
City planning--Portugal--History--20th century--Catalogs.
City planning--Portugal--History--21st century--Catalogs.
Risco (Firm)--Catalogs.
Salgado, Manuel, 1944---Catalogs.
Harvard subject headings:
City planning--Portugal--History--20th century--Catalogs.
City planning--Portugal--History--21st century--Catalogs.
Risco (Firm)--Catalogs.
Salgado, Manuel, 1944---Catalogs.
Princeton subject headings:
Catalogs.
City planning--Portugal--History--20th century--Catalogs.
City planning--Portugal--History--21st century--Catalogs.
Risco (Firm)--Catalogs.
Salgado, Manuel, 1944---Catalogs.