Columbia subject headings:
Immigrants--Spain--History.
Peruvians--Spain--History.
Harvard subject headings:
Immigrants--Spain.
Peru--Emigration and immigration.
Peruvians--Spain.
Spain--Emigration and immigration.
Princeton subject headings:
Immigrants--Spain.
Peru--Emmigration and immigration.
Peruvians--Spain.
Spain--Emmigration and immigration.