You might like Left Right Seminar (in Collaboration with Richard Hamilton) Dieter Roth 1971 3 Dieter Roth 1971–2 Big Tardt for Richard Dieter Roth 1972 [cover] Dieter Roth 1971 Self-Portrait as a Flower Pot Dieter Roth 1971 [no title] Dieter Roth 1972 Large Trolley Dieter Roth 1972 [title not known] Dieter Roth 1970 [title not known] Dieter Roth 1970 [title not known] Dieter Roth 1970 [title not known] Dieter Roth 1970 [title not known] Dieter Roth 1970