It has been suggested by sources including www.silentsf.com that this film is based upon the E. Douglas Fawcett novel Hartmann the Anarchist
Die Anarchisten, an 1891 novel by John Henry Mackay also set in the fin de siècle London anarchist milieu
anarchist | Hartmann | Anarchist Studies | Georg Hartmann | Franz Hartmann | Ernst Hartmann | The Big Picture with Thom Hartmann | Paul Hartmann | Otto Hartmann | Oliver Hartmann | Hartmann Schedel | Felix von Hartmann | Erich Hartmann | Anarchist Black Cross Federation | Anarchist | William M. Hartmann | William Kenneth Hartmann | Thomas W. Hartmann | Thomas de Hartmann | Stephan Hartmann | Nicolai Hartmann | Listen, Anarchist! | Johannes Franz Hartmann | Heidi Hartmann | Hartmann the Anarchist | Hartmann's Mountain Zebra | Federation of Anarchist Communists | Erec (Hartmann) | Anarchist Pogo Party of Germany | Anarchist Mountain |