Columbia subject headings:
Afonso II, King of Portugal, 1185-1223.
Sancho I, King of Portugal, 1154-1211.
Harvard subject headings:
Afonso II, King of Portugal, 1185-1223.
Sancho I, King of Portugal, 1154-1211.
Princeton subject headings:
Afonso II, King of Portugal, 1185-1223.
Sancho I, King of Portugal, 1154-1211.