Columbia subject headings:
Belza Ventura, Ángel, 1926-
Refugee children--Spain--Biography.
Spain--History--Civil War, 1936-1939--Children.
Spain--History--Civil War, 1936-1939--Refugees--Soviet Union.
Spaniards--Soviet Union--Biography.
Harvard subject headings:
Belza Ventura, Ángel, 1926-
Refugee children--Spain--Biography.
Spain--History--Civil War, 1936-1939--Children.
Spain--History--Civil War, 1936-1939--Refugees--Soviet Union.
Spaniards--Soviet Union--Biography.
Princeton subject headings: