Collection consisting of a part of his papers and other original or copied documents (mainly acquired through Max Nettlau in 1935), and of microfilms of documents kept in Bologna, Dresden, Florence, St. Petersburg, Lyon, Marseilles, Neuchâtel, Paris, Rome, and elsewhere (mainly acquired for the IISH series Àrchives Bakounine' as of 1959). The papers, left with his widow Antonia Kwiatkowska on his death, represent his political activities for the most part; the private part was destroyed in Naples during the Second World War. Michail Bakunin papers: some correspondence 1868-1869, 1872; manuscripts or parts of manuscripts of L̀'Empire knouto-germanique et la révolution sociale' (partly photocopies), È́crit contre Marx', R̀éponse d'un international à Mazzini' and other writings; extracts and notes [1865], 1868-1875; documents, including manuscripts and correspondence relating to the Ligue de la Paix et de la Liberté the International Working Men's Association (IWMA), Freemasonry, the Fraternité internationale, the Alliance internationale de la Démocratie socialiste, the Alliance de la Démocratie socialiste and projected clandestine organizations 1866-1872; articles, pamphlets and leaflets by Bakunin [1863] 1866-1872 and other printed material 1860-1874. Collection: letters by Bakunin, including copies made by Nettlau, to Johann Philipp Becker, Celso Ceretti, Giuseppe Fanelli, James Guillaume, Anselmo Lorenzo, Tomás González Morago, Walerian Mroczkowski, Elisée Reclus, Adolf Reichel, Arnold Ruge, Alfred Talandier, Gustav Vogt and others (1843-) 1867-1875; copies of the C̀arnets' and other writings by Bakunin made by Guillaume, Nettlau and others; manuscripts and proofs of translations of some publications by Bakunin; correspondence by Guillaume and Nettlau concerning Bakunin; manuscripts, notes and proofs of publications by Guillaume, Nettlau and others concerning Bakunin; pamphlets, copies of periodicals and other printed material concerning Bakunin 1876-1932; microfilms of the Bakunin family archives containing early correspondence with members of the family and the so-called Stankevič circle (among them Vissarion G. Belinskij) 1823-1840; scattered letters and other documents 1840-1848; the papers of Natalija A. Herzen partly relating to Sergej G. Nečaev, Marija Reichel, Nikolaj Ogarev and Petr Lavrov 1860-1911; the correspondence with Aleksandr I. Gercen and Nikolaj P. Ogarev 1860-1874; a part of the papers of J. Guillaume relating to the IWMA, mainly in the Swiss Jura and the preparation of Guillaume's book on L̀'Internationale' 1903-1910; manuscripts by Bakunin at the Bibliothèque Nationale, Paris 1869-1871; a part of the papers of the Committee investigating the activity of the Alliance de la Démocratie socialiste at the Hague Congress of the IWMA, including the report by Nikolaj I. Utin 1872; Saxon police archives relating to the Dresden insurrection in 1849; French department and police archives, mainly from Lyon, Marseilles and Paris, relating to French sections of the IWMA and the aborted insurrection in Lyon, 1870-1878; Bologna police archives relating to the development of the IWMA in Italy and the aborted insurrection in Bologna 1873-1874.