Columbia subject headings:
Galicia (Spain : Region)--Social conditions.
Labor--Spain--Galicia (Region)
Social classes--Spain--Galicia (Region)
Working class--Spain--Galicia (Region)
Harvard subject headings:
Galicia (Spain : Region)--Social conditions.
Labor--Spain--Galicia (Region)
Social classes--Spain--Galicia (Region)
Working class--Spain--Galicia (Region)
Princeton subject headings:
Galicia (Spain : Region)--Social conditions.
Labor--Spain--Galicia (Region).
Social classes--Spain--Galicia (Region).
Working class--Spain--Galicia (Region).