Columbia subject headings:
Jews--Europe--Biography.
Jews--Germany--Biography.
Levy family.
Harvard subject headings:
Germany--Ethnic relations.
Germany--History--1789-1900.
Germany--History--20th century.
Jews--Germany--Biography.
Levy family.
Levy, Ascher, 1815-1897--Family.
Princeton subject headings:
Jews--Europe--Biography.
Jews--Germany--Biography.
Levy family.