[1970s] Sonsbeek 71, Sonsbeek buiten de perken, Part 1 & Part 2 Arnhem, Stichting Sonsbeek, 1971. Catalogue set of the famous exhibition 'Sonsbeek buiten de perken', edited by Wim Beeren, Geert van Beijeren and Coosje Kapteyn, designed by Wim Crouwel. Softcover, 232 / 96 pp., text in Dutch and English. Part 1 with some spinewear and scuffing on cover. Part 2 near mint. Contributions by Carl André, Vito Acconci, Donald Judd, Sol Lewitt, Bruce Nauman, Nam June Paik, Robert Smithson and many others. Fine copies. Added: brochures (in Dutch) about Sonsbeek activities. (total 2)

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