Columbia subject headings:
Harvard subject headings:
Afonso I, King of Portugal, 1109?-1185.
Portugal--History--Afonso I, 1139-1185.
Portugal--Kings and rulers--Biography.
Princeton subject headings:
Afonso I, King of Portugal, 1109?-1185.
Portugal--History--Afonso I, 1139-1185.
Portugal--Kings and rulers--Biography.