Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1933-1945.
Jewish refugees--Government policy--United States--History--20th century.
Refugees--Government policy--United States--History--20th century.
United States--Emigration and immigration--Government policy--History--20th century.
Princeton subject headings:
Germany--Politics and government--1933-1945.
Jewish refugees--Government policy--United States--History--20th cntury.
Refugees--Government policy--United States--History--20th century.
United States--Emigration and immigration--Government policy--History--20th century.