1. Giorgio Grassi, 'Avant-Garde and Continuity", S. Sarterelli (trans.), in Oppositions Reader, M. Hays (ed.) (Princeton Architectural Press, New York, 1998) pp. 391-401. Original publication: 1980.
2. Renato Poggioli, The Theory of the Avant-Garde. G. Fitzgerald (trans.) (The Belknap Press of Harvard University Press, Cambridge, London, 1968). Translated from Teoria del'arte d'avanguardia (Il Mulino, Bologna, 1962).
3. Ibid., p. 25.
4. Peter Bürger, Theory of the Avant-Garde, M. Shaw (trans.) (University of Minnesota Press, Minneapolis, 1984). Translated from Theorie der Avant-Garde (Suhrkamp, Frankfurtern Main, 1974).
5. Ibid., p. 48.