Columbia subject headings:
Political refugees--Europe, Eastern--History--20th century.
Political refugees--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Refugees.
Spaniards--Europe, Eastern--History--20th century.
Harvard subject headings:
Political refugees--Europe, Eastern--History--20th century.
Political refugees--Spain--History--20th century
Spain--History--Civil War, 1936-1939--Refugees.
Spaniards--Europe, Eastern--History--20th century.
Princeton subject headings:
Political refugees--Europe, Eastern--History--20th century.
Political refugees--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Refugees.
Spaniards--Europe, Eastern--History--20th century.