Columbia subject headings:
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Austria--Congresses.
Jewish families--Austria--History--Congresses.
Jews--Austria--History--20th century.
National socialism--Austria--History--Congresses.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Austria--Congresses.
Jewish families--Austria--History--Congresses.
National socialism--Austria--History--Congresses.