Jörg Schellmann et Bernd Klüser, édit., Joseph Beuys : Multiples, Catalogue Raisonné, Multiples and Prints, 1965-80. New York, Columbia University Press, 1981. 18 p. (allemand-anglais), 263 illus., 15,00 $ (broché) / Carl André et Hollis Frampton, 12 Dialogues 1962-1963. Halifax, The Press of the Nova Scotia College of Art and Design, 1980 (The Nova Scotia Series: Source Materials of the Contemporary Arts). 134 p., illus. - Saint-Martin, Fernande (RACAR : Revue d'art canadienne / Canadian Art Review)