found: Descartes politico o della ragionevole ideologia, 1970.
found: Bocca, G. Il caso 7 aprile, 1980:t.p. (Toni Negri)
found: Empire, 2000:CIP t.p. (Antonio Negri) data sheet (b. Aug. 1, 1933)
found: Le bassin de travail immatériel (BTI) dans la métropole parisienne, 1996:t.p. (A. Negri) back cover (Antonio Negri; teacher at Univ. de Paris VIII; has published many works on philosophy and sociology)
found: BnF Web OPAC, Feb. 27, 2003(Negri, Antonio (1933-....))
found: Wikipedia, October 23, 2013(Antonio "Toni" Negri; Italian Marxist sociologist and political philosopher; born August 1, 1933, Padua, Italy; currently lives in Venice and Paris)