Columbia subject headings:
Europe--History--1517-1648.
Fernando, Infante of Spain, 1609-1641--Portraits.
Fernando, Infante of Spain, 1609-1641.
Spain--History--Philip IV, 1621-1665.
Harvard subject headings:
Europe--History--1517-1648.
Fernando, Infante of Spain, 1609-1641.
Spain--History--Philip IV, 1621-1665.
Princeton subject headings:
Europe--History--1517-1648.
Fernando, Infante of Spain, 1609-1641.
Spain--History--Philip IV, 1621-1665.