Columbia subject headings:
Harvard subject headings:
Emigration and immigration--Congresses
Foreign workers--Congresses.
Globalization--Social aspects--Congresses
Migration, Internal--Congresses
Work and family--Congresses.
Work--Social aspects--Congresses.
Princeton subject headings:
Emigration and immigration.
Foreign workers.
Globalization--Social aspects.
Migration, Internal.
Work and family.
Work--Social aspects.