On the question of the ’invisible dictatorship’, see Iain McKay’s in-depth study
“Bakunin and the Invisible Legions, revisited”
https://theanarchistlibrary.org/library/anarcho-bakunin-and-the-invisible-legions-revisited
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As far as I know, the question of the “invisible dictatorship” has been dealt with in four texts :
– a letter to Albert Richard, March 12, 1870 ; – a letter to Albert Richard, April 1, 1870. – a letter to Tómas González Morago, May 21, (...)