Columbia subject headings:
Franco, Francisco, 1892-1975--Correspondence.
Heads of state--Spain--Correspondence.
Spain--History--1939-1975.
Spain--History--Civil War, 1936-1939.
Spaniards--Correspondence.
Harvard subject headings:
Franco, Francisco, 1892-1975--Correspondence.
Heads of state--Spain--Correspondence.
Spain--History--Civil War, 1936-1939--Sources.
Spaniards--Correspondence.
Princeton subject headings:
Spain--History--Civil War, 1936-1939--Sources.