Columbia subject headings:
Harvard subject headings:
Agriculture--Spain--Castile--History.
Livestock--Spain--Castile--History.
Pastoral systems--Spain--History.
Sheep--Spain--History.
Spain--History--Ferdinand and Isabella, 1479-1516.
Transhumance--Spain--History.
Princeton subject headings:
Herders--Spain--Castile--History.
Pastoral systems--Spain--Castile--History.
Transhumance--Spain--Castile--History.