Dieter Hiesserer, Stuyveant collection # BATMAN's CAR # German Pop Art, 1969
Kunsthalle Tubingen # RICHARD HAMILTON # Pop Art icon, 1974, cond.B-
Lawrence Weiner# MUSEUMJOURNAAL 1974 /3 # 1974, nm+
Palais des Beaux Arts Bruxelles # POP ART NOUVEAU REALISME etc... #1965, nm