Minutes of the board of, correspondence by the national secretariat of, and other documents on the Partito Anarchico Italiano, especially on the contacts with New-Left ('Il Manifesto', 'Democrazia Proletaria'), the anarchist movement in Italy, libertarian groups within the trade union movement and the anarchist movement in France and Spain 1976-1998. Legend to the 48 photos (period 1976-1991) transferred to the audiovisual department of the IISH with a letter from Roberto Manfredini 08.03.2010. Accrual 2011: Bulletins and other documents of the Federazione dei Comunisti Anarchici (FdCA) 1976-1979; photocopies of typescripts 'L'U.S.i.: tra fatti e documenti. Il movimento anarchico e l'intervento nel mondo del lavoro' Modena 1978, 'Il Partito Anarchico Italiano: tra ricerca politica e organizzazione' Modena, 1988 and 'Dunque i pinguini volano. Storia e dinamica del movimento anarchico in Italia dal 1943 al 1977' by various authors Modena 1988; some other documents 1983-2001; with a letter from Roberto Manfredini to the IISH 30.12.2010.