Columbia subject headings:
Harvard subject headings:
Aragon (Spain)--Social conditions.
Government, Resistance to--Spain--Aragon--History.
Opposition (Political science)--Spain--Aragon.
Protest movements--Spain--Aragon--History--20th century.
Social movements--Spain--Aragon.
Princeton subject headings:
Aragon (Spain)--Social conditions--20th century.
Government, Resistance to--Spain--Aragón--History.
Opposition (Political science)--Spain--Aragón.
Social movements--Spain--Aragón.