Columbia subject headings:
Exiles--Mexico--History--20th century.
Exiles--Spain--History--20th century.
Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Refugees.
Spaniards--Mexico--History--20th century.
Harvard subject headings:
Exiles--Mexico--History--20th century.
Spain--Exiles--History--20th century.
Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Refugees.
Spaniards--Mexico--History--20th century
Princeton subject headings: