30 x 21cm, 60pp plus card covers. An exhibition of works by conceptual artists who were all represented by the NYC John Gibson Gallery. Texts and b/w images of works by David Askevold, Didier Bay, Bill Beckley, Robert Cumming, Peter Hutchinson, Jean le Gac and Roger Welsh with a preface by James Collins. Some grubbiness to wrappers but else VG. A lesser known conceptual show. 

20.7 x 14.7cm, 198pp plus card covers and bound insert by Daniel Buren. First edition. Editors:. v. Friedrich Wolfram Heubach. Redaktionelle Mitarbeit: Werner Wagner.  Includes new work and contributions by Dennis Oppenheim, Lothar Baumgarten, Friedrich Heubach, Dan Graham, John Baldessari, Roger Welsh, Didier Bay, Hans Haacke, Mark Oppitz, Feely McCann, Horst Schmidt-Brümmer, Terry Fox, William Wegman, Steve Reich, Gufo Reale, Will Insley, Ernst Mitzka, Doug Waterman, Mark Oppitz , Jürgen Kramer, Ulrich Meister and photographs by Shunk-Kender, Peter Moore und Dickie Landry. Printed in 1,000 copies this is a scarce single number of this journal - here with the laid in 4pp Daniel Buren insert along with the white paper band (sometimes missing) and the two errata sheets that are almost always missing. Cover by Sigmar Polke. This copy in VG condition.