Columbia subject headings:
Harvard subject headings:
Europe--Emigration and immigration--Social aspects.
Illegal immigration--Europe.
Illegal immigration--Tunisia.
Noncitizens--Europe--Social conditions.
Noncitizens--Tunisia--Social conditions.
Tunisia--Emigration and immigration--Social aspects.
Princeton subject headings:
Europe--Emigration and immigration--Social aspects.
Illegal aliens--Europe--Social conditions.
Illegal aliens--Tunisia--Social conditions.
Tunisia--Emigration and immigration--Social aspects.