Columbia subject headings:
Germany--Emigration and immigration--History--1933-1945.
Great Britain--Intellectual life--20th century.
Jewish refugees--Austria--History--20th century.
Jewish refugees--Germany--History--20th century.
Jewish refugees--Great Britain--History--20th century.
Jewish refugees--United States--History--20th century.
Political refugees--Austria--History--20th century.
Political refugees--Germany--History--20th century.
Political refugees--Great Britain--History--20th century.
Political refugees--United States--History--20th century.
United States--Intellectual life--20th century.
Harvard subject headings:
Brain drain--Austria--History--20th century.
Brain drain--Germany--History--20th century.
Exiles--Austria.
Exiles--Germany.
Exiles--Great Britain.
Exiles--United States.
Great Britain--Intellectual life--20th century
United States--Intellectual life--20th century.
Princeton subject headings:
Germans--Great Britain--History--20th century.
Germans--United States--History--20th century.
Great Britain--Intellectual life--20th century.
Political refugees--Germany--History--20th century.
Political refugees--Great Britain--History--20th century.
Political refugees--United States--History--20th century.
United States--Intellectual life--20th century.