Columbia subject headings:
France--History--German occupation, 1940-1945.
Government, Resistance to--Spain--History--1936-1975.
World War, 1939-1945--Underground movements--France.
Harvard subject headings:
France--History--German occupation, 1940-1945.
Government, Resistance to--Spain--History--20th century
Spain--History--Civil War, 1936-1939.
World War, 1939-1945--Underground movements--France.
Princeton subject headings:
France--History--German occupation, 1940-1945.
Government, Resistance to--Spain--History--20th century.
Spain--History--Civil War, 1936-1939.
World War, 1939-1945--Underground movements--France.