(en)« Cesar M. Lorenzo, Les anarchistes espagnols et le pouvoir, is an exceptionally lucid and objective work written by an anarchist », Francisco J. Romero Salvadó, Historical Dictionary of the Spanish Civil War, Scarecrow Press, 2013, page 371.
(en) « the son of a prominent CNT militant, his book is a gold mine of information », Sam Dolgoff, The Anarchist Collectives: Workers' Self-management in the Spanish Revolution, 1936-1939, Black Rose Books Ltd., 1974, page 39.
