Columbia subject headings:
Harvard subject headings:
Austrians--United States--Political activity.
Habsburg, Otto, 1912---Exile--United States.
Plöchl, Willibald M. (Willibald Maria)--Exile--United States.
Political refugees--United States--Political activity.
World War, 1939-1945--Governments in exile.
Princeton subject headings:
Austrians--United States--Political activity.
Habsburg, Otto, 1912---Exile--United States.
Plöchl, Willibald M. (Willibald Maria)--Exile--United States.
Political refugees--United States--Political activity.
World War, 1939-1945--Governments in exile.