Columbia subject headings:
Harvard subject headings:
Painters--Legal status, laws, etc.--Portugal--History--17th century.
Painters--Portugal--History--17th century.
Painting, Modern--17th century--Portugal.
Painting, Modern--18th century--Portugal.
Painting, Portuguese.
Princeton subject headings:
Mannerism (Art)--Portugal.
Painters--Portugal--Economic conditions.
Painters--Portugal--Social conditions.
Painting, Portuguese.