Columbia subject headings:
País Vasco (Spain)--History--20th century.
Spain--History--Civil War, 1936-1939--Campaigns--Spain--País Vasco.
Spain--History--Civil War, 1936-1939--Food supply.
Harvard subject headings:
País Vasco (Spain)--History--20th century.
Spain--History--Civil War, 1936-1939--Campaigns.
Spain--History--Civil War, 1936-1939--Food supply.
Princeton subject headings: