Columbia subject headings:
Emigration and immigration.
Immigrants--United States.
Noncitizens--United States.
Refugees.
United States--Emigration and immigration.
World War, 1939-1945--Refugees.
Harvard subject headings:
Noncitizens--United States
United States--Emigration and immigration.
World War, 1939-1945--Refugees.
Princeton subject headings:
Immigrants--United States.
Noncitizens--United States.
United States--Emigration and immigration.
World War, 1939-1945--Refugees.