Columbia subject headings:
Harvard subject headings:
Catalonia (Spain)--Emigration and immigration.
Catalonia (Spain)--History--20th century.
Spain--History--Civil War, 1936-1939.
World War, 1939-1945--Spain--Catalonia.
Princeton subject headings:
Catalans--Foreign countries.
Political refugees--Spain--Catalonia.
Spain--History--Civil War, 1936-1939--Refugees.