The Anarchist Encyclopedia was an encyclopedia initiated by the French anarchist activist Sébastien Faure, between 1925 and 1934, published in four volumes.
The original project was to be in five parts:
Only the first part in four volumes of 2,893 pages was made. It included many anarchist tendencies. There were several hundred collaborators including, in addition to Sebastien Faure himself, Luigi Bertoni, Pierre Besnard, Émile Armand, Han Ryner, Augustin Souchy, Max Nettlau, Volin, Aristide Lapeyre, Gérard de Lacaze-Duthiers, and others.