Columbia subject headings:
Harvard subject headings:
Anarchists--19th century--Biography.
Anarchists--20th century--Biography.
Jews--Biography.
Naft, Stephen, 1878-1956.
Nomad, Max.
Radicals--19th century--Biography.
Radicals--20th century--Biography.
Socialists--19th century--Biography.
Socialists--20th century--Biography.
Princeton subject headings:
Anarchists--19th century--Biography.
Anarchists--20th century--Biography.
Jews--Biography.
Nacht, Siegfried.
Nomad, Max.
Radicals--19th century--Biography.
Radicals--20th century--Biography.
Socialists--19th century--Biography.
Socialists--20th century--Biography.