Columbia subject headings:
Agudo, Sixto.
Anti-Nazi movement--Spain--History--20th century.
Communists--Spain--Biography.
Spain--History--1868-1931.
Spain--History--Republic, 1931-1939.
Harvard subject headings:
Agudo, Sixto.
Spain--History--Civil War, 1936-1939--Personal narratives, Spanish.
Princeton subject headings: