Columbia subject headings:
Harvard subject headings:
Confederación Sindical de Comisiones Obreras--History--20th century--Sources.
Confederación Sindical de Comisiones Obreras--History--20th century.
General Strike, Spain, 1988--Sources.
General Strike, Spain, 1988.
Princeton subject headings:
General strikes--Spain--History--Sources.
Spain--Social conditions--1975-