Columbia subject headings:
Beatriz, of Portugal, Duchess of Viseu, 1430-1506.
Nobility--Portugal--Biography.
Portugal--History--Afonso V, 1438-1481.
Portugal--History--John II, 1481-1495.
Portugal--History--Manuel I, 1495-1521.
Women--Portugal--Biography.
Harvard subject headings:
Princeton subject headings:
Beatriz, of Portugal, Duchess of Viseu, 1430-1506.
Nobility--Portugal--Biography.
Portugal--History--Afonso V, 1438-1481.
Portugal--History--John II, 1481-1495.
Portugal--History--Manuel I, 1495-1521.
Women--Portugal--Biography.