Columbia subject headings:
Harvard subject headings:
Brain drain--Germany--History--20th century.
Great Britain--Emigration and immigration--History--20th century.
Jews--Germany--History--20th century.
Scientists--Germany--History--20th century.
World War, 1939-1945--Technology.
Princeton subject headings:
Exiles--Germany.
Exiles--Great Britain.
Jewish engineers.
World War, 1939-1945--Refugees.