Konzeption Conception. Leverkusen, Städtisches Museum, 1969
Softcover, 20 x 21 cm, approx. 200 pp. Exhibition catalogue published in conjunction with a major conceptual show held in October - November 1969, organized by Konrad Fischer and Rolf Wedewer. Cover design by Sol LeWitt. Texts in English and German.
Contains artists' contributions by Baldessari, Barry, Becher, Boetti, brouwn, Broodthaers, Buren, Calzolari, Darboven, Dibbets, Fulton, Gilbert & George, Graham, Huebler, Kawara, Kosuth, Lamelas, Lewitt, McLean, Nauman, Piper, Smithson, Sandback, Sigmar Polke, Ruscha, Weiner, Zaj et al. Light rubbing along spine edge, dog-eared lower right corner, date inscription on first sheet, small library stamp of Museum Boymans van Beuningen on second page, generally a fine copy.