Columbia subject headings:
Harvard subject headings:
Austria--Emigration and immigration--History--20th century.
Austrian Americans--History--20th century.
Exiles--Austria.
Exiles--United States.
Political refugees--Austria--History--20th century.
Political refugees--United States--History--20th century.
United States--Emigration and immigration--History--20th century.
World War, 1939-1945--Refugees.
Princeton subject headings:
National socialism--Austria.
Political refugees--Austria--History--20th century.
Political refugees--United States--History--20th century.
World War, 1939-1945--Refugees--History.