Columbia subject headings:
Gardens--Portugal--History--Sources.
Landscape architecture--Portugal--History--Sources.
Outdoor sculpture--Portugal--History.
Sculpture, Portuguese--History--17th century.
Sculpture, Portuguese--History--18th century.
Harvard subject headings:
Gardens--Portugal--History--Sources.
Gardens--Portugal--History.
Landscape architecture--Portugal--History--Sources.
Landscape architecture--Portugal--History.
Outdoor sculpture--Portugal--History.
Sculpture, Portuguese--History--17th century.
Sculpture, Portuguese--History--18th century.
Princeton subject headings: