Columbia subject headings:
Harvard subject headings:
European Union countries--Emigration and immigration--Congresses.
Identity (Psychology)--European Union countries--Congresses.
Unaccompanied immigrant children--European Union countries--Congresses.
Princeton subject headings:
European Union countries--Emigration and immigration--Congresses.
Identity (Psychology)--European Union countries--Congresses.
Unaccompanied immigrant children--European Union countries--Congresses.