Exhibition catalogue published in conjunction with show held at Hallen für neue Kunst, Schaffhausen, Switzerland, May 10, 1992 - October 31, 1992. Traveled to Pace Gallery, New York City, December 4, 1992 - January 2, 1993. Essay by Christel Sauer. Includes an interview with Ryman by Urs Raussmüller, an exhibition checklist, biography and bibliography. Parallel texts in English, German and French.