Are There New Fields For Anarchist Activity?
Errico Malatesta: The Biography of an Anarchist. New York: Freie Arbeiter Stimme Press, 1924.
Miguel Bakunin, La Internacional Y La Alianza En España (1868-1873).
Responsibility and Solidarity, and German Social Democracy & E. Bernstein Freedom Pamphlets, No. 12, published by J. Turner, London 1900.