Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Spain--Asturias.
Cattle trade--Spain--Asturias.
Geomorphology--Spain--Asturias.
Land tenure--Spain--Asturias.
Princeton subject headings:
Agriculture--Economic aspects--Spain--Cantabrian Mountains.
Cantabrian Mountains (Spain)--Rural conditions.
Land reform--Spain--Cantabrian Mountains.
Land use, Rural--Spain--Cantabrian Mountains.
Rural development--Spain--Cantabrian Mountains.