Columbia subject headings:
Harvard subject headings:
Duarte, King of Portugal, 1391-1438.
Portugal--Court and courtiers--History--15th century.
Portugal--History--Duarte, 1433-1438.
Portugal--Kings and rulers--Biography.
Princeton subject headings:
Duarte, King of Portugal, 1391-1438.
Portugal--Court and courtiers--History--15th century.
Portugal--History--Duarte, 1433-1438.
Portugal--Kings and rulers--Biography.