Columbia subject headings:
Francoism--Congresses.
Spain--Economic conditions--1918-1975--Congresses.
Spain--Politics and government--1939-1945--Congresses.
Spanish literature--20th century--History and criticism--Congresses.
World War, 1939-1945--Spain--Congresses.
Harvard subject headings:
Francoism--Congresses.
Spain--Economic conditions--1918-1975--Congresses.
Spain--Politics and government--1939-1945--Congresses.
Spanish literature--20th century--History and criticism--Congresses
World War, 1939-1945--Spain--Congresses.
Princeton subject headings:
Spain--Economic conditions--1918-1975--Congresses.
Spain--History--1939-1975--Congresses.
Spain--Politics and government--1939-1975--Congresses.