Columbia subject headings:
Refugees--United States.
United States--Emigration and immigration.
United States. Immigration and Naturalization Service--Management.
Harvard subject headings:
Refugees--United States
United States--Emigration and immigration.
United States. Immigration and Naturalization Service--Management.
Princeton subject headings:
Refugees--United States.
United States--Emigration and immigration.
United States. Immigration and Naturalization Service--Management.