Columbia subject headings:
Spain--History--Republic, 1931-1939.
Harvard subject headings:
Besteiro, Julián, 1870-1940
Casado, Segismundo, 1893-1968.
Negrín, Juan.
Spain--History--Civil War, 1936-1939.
Spain--Politics and government--1931-1939.
Princeton subject headings:
Besteiro, Julián, 1870-1940.
Casado, Segismundo, 1893-1968.
Negrín, Juan.
Spain--History--Civil War, 1936-1939.
Spain--Politics and government--1931-1939.