Columbia subject headings:
Jews--Spain--History--20th century.
Spain--Ethnic relations.
World War, 1939-1945--Jews--Rescue.
Harvard subject headings:
Jews--Spain--History--20th century.
Spain--Ethnic relations.
World War, 1939-1945--Jews--Rescue.
Princeton subject headings:
Jews--Spain--History--20th century.
Spain--Ethnic relations.
World War, 1939-1945--Jews--Rescue.