Columbia subject headings:
Harvard subject headings:
Agricultural laws and legislation--Spain--Zaragoza--History.
Agriculture--Economic aspects--Spain--Zaragoza--History.
Casa de Ganaderos de Zaragoza--History.
Shepherds--Spain--Zaragoza--Economic conditions--History--15th century.
Transhumance--Spain--Zaragoza--History.
Zaragoza (Spain)--Social conditions--15th century.
Princeton subject headings:
Casa de Ganaderos de Zaragoza.
Pastoral systems--Spain--Zaragoza--History.
Pasture, Right of--Spain--Zaragoza--History.
Transhumance--Spain--Zaragoza--History.