Columbia subject headings:
Acculturation--Congresses.
Cultural relations--Congresses.
Culture conflict--Congresses.
Emigration and immigration--Social aspects--Congresses.
Ethnic relations--Congresses.
Tourism--Social aspects--Congresses.
Harvard subject headings:
Acculturation--Congresses
Cultural relations--Congresses.
Culture conflict--Congresses
Emigration and immigration--Social aspects--Congresses
Ethnic relations--Congresses
Tourism--Social aspects--Congresses.
Princeton subject headings:
Acculturation--Congresses.
Culture conflict--Congresses.
Emigration and immigration--Congresses.
Ethnology--Congresses.