die blau flut (gesammelte werke band 14) [the blue tide (collected works volume 14)] 1973 Dieter Roth die blau flut (gesammelte werke band 14) [the blue tide (collected works volume 14)] offset on paper; Smythe sewn, softcover 9 x 6 11/16 in. (23 x 17 cm), 632 pp. Gift of Dieter Roth