Columbia subject headings:
Jews--Germany--Biography.
Jews--Germany--History--1800-1933.
Lessing, Theodor, 1872-1933.
Philosophers--Germany--Biography.
Harvard subject headings:
Jews--Germany--Biography.
Jews--Germany--History--1800-1933.
Lessing, Theodor, 1872-1933.
Philosophers--Germany--Biography
Princeton subject headings:
Jews--Germany--Biography.
Jews--Germany--History--1800-1933.
Lessing, Theodor, 1872-1933.
Philosophers--Germany--Biography.