Columbia subject headings:
Immigrants--Economic aspects--Spain.
Immigrants--Social aspects--Spain.
Spain--Emigration and immigration--Economic aspects.
Spain--Emigration and immigration--Social aspects.
Harvard subject headings:
Cultural pluralism--Spain.
Immigrants--Economic aspects--Spain.
Immigrants--Social aspects--Spain.
Immigrants--Spain--Economic aspects.
Immigrants--Spain--Social aspects.
Multiculturalism--Spain.
Spain--Emigration and immigration--Economic aspects.
Spain--Emigration and immigration--Social aspects.
Princeton subject headings:
Cultural pluralism--Spain.
Multiculturalism--Spain.
Spain--Emigration and immigration--Economic aspects.
Spain--Emigration and immigration--Social aspects.