WIsabella I of CastileWCatholic Monarchs of SpainWAlhambra DecreeWColumbus's letter on the first voyageWDescendants of Ferdinand II of Aragon and Isabella I of CastileWIsabella quarterWReconquistaWTanto monta, monta tanto, Isabel como FernandoWTreaty of AlcáçovasWTreaty of Granada (1491)WTreaty of the Bulls of GuisandoWTreaty of Tordesillas