Columbia subject headings:
Architecture--Portugal--History--20th century--Catalogs.
Athouguia, Ruy d', 1917---Catalogs.
Harvard subject headings:
Architecture--Portugal--History--20th century--Catalogs.
Athouguia, Ruy d', 1917---Catalogs.
Princeton subject headings:
Architecture--Portugal--History--20th century--Catalogs.
Athouguia, Ruy d', 1917---Catalogs.