Columbia subject headings:
Harvard subject headings:
Exiles--Germany.
Germany--Emigration and immigration--History--1933-1945.
Nuclear energy--Research--United States--History.
Scientists--Germany
Princeton subject headings:
Jewish scientists--Germany--History--20th century.
Nuclear industry--Research--Germany--History.
Nuclear industry--Research--United States--History.
Science--Germany--Societies, etc.--History--20th century.