UTOPIE - On the Nature of Architecture. Architecture as a Theoretical Problem in the Class Struggle. Utopie, Paris, 1968. - Urbanizing the Class Struggle. Utopie, Paris, 1969. - Urbanizing the Class Struggle, or Critical Remarks on the Recent Pacification of Contradictions. Second expanded edition. Utopie, Paris, October 1970. - October 4, 1971. - What Did Death Do These Days? (supplement to *Utopie* No. 4, October 1971). Set of 5 vols., in-8, paperback.