Columbia subject headings:
Cultural pluralism.
United States--Emigration and immigration--Government policy.
United States--Race relations.
Harvard subject headings:
Assimilation (Sociology)
Cultural pluralism--United States
Cultural pluralism--United States.
Minorities--United States
United States--Ethnic relations.
Princeton subject headings:
Cultural pluralism.
United States--Emigration and immigration--Government policy.
United States--Race relations.