Columbia subject headings:
Emigration and immigration--Philosophy--Examinations, questions, etc.
Emigration and immigration--Social aspects--Congresses.
Globalization--Philosophy.
Harvard subject headings:
Emigration and immigration--Moral and ethical aspects--Congresses.
Emigration and immigration--Philosophy--Congresses.
Emigration and immigration--Social aspects--Congresses
Globalization--Philosophy--Congresses.
Princeton subject headings: