Columbia subject headings:
Alava (Spain)--Politics and government--1935-1975.
Alava (Spain)--Social conditions--1935-1975.
Harvard subject headings:
Cooperative societies--Spain--Alava--History.
Mutualism--Spain--Alava--History.
Social security--Spain--Alava--History.
Princeton subject headings:
Cooperative societies--Spain--Alava--History.
Mutualism--Spain--Alava--History.
Social security--Spain--Alava--History.