Columbia subject headings:
Harvard subject headings:
Hamburg (Germany)--Ethnic relations--Congresses.
Hamburg (Germany)--Ethnic relations.
Jews--Emancipation--Germany--Hamburg--Congresses.
Jews--Germany--Hamburg--History--19th century--Congresses.
Jews--Germany--Hamburg--History.
Princeton subject headings:
Hamburg (Germany)--Ethnic relations.
Jews--Germany--Hamburg--History--1096-1800.
Jews--Germany--Hamburg--History--1800-1933.