Exhibition catalogue published in conjunction with an exhibition at the Moderna Museet from January - February 1971. Complete with black-and-white images, documentation with checklist of 195 works from the Van der Grinten and Herbig collections, biography, and bibliography. German and Swedish texts by Franz Josef van der Grinten, Dieter Koepplin, and K.G.P. Hulten and an interview with Beuys by Hans van der Grinten.