Columbia subject headings:
Harvard subject headings:
Jews--Germany--History--19th century--Congresses.
Jews--Germany--History--20th century--Congresses.
Judaism--Germany--History--19th century--Congresses.
Judaism--Germany--History--20th century--Congresses.
Princeton subject headings:
Jews--Germany--History--19th century--Congresses.
Jews--Germany--History--20th century--Congresses.