libro becerro 17
Also calf of the Merindades of Castile, manuscript ordered by Pedro I of Castile in the mid-14th century in which inventory's behetrias of the Kingdom was made. The manuscript was carried out on calfskin parchment after the courts of Valladolid in 1351, in which the Fijosdalgos of Castile asked the King of Behetrias the disappearance and its transformation into ancestral lands.