Elka Spoerri/ Adolf Wolfli/ Daniel Baumann/ Gerard C. Wertkin (FRW)/ American Folk Art Museum (COR)/ Milwaukee Art Museum (COR)
(1)
Gerard C. Wertkin (EDT)/ Lee Kogan (EDT)
(1)
Murray Zimiles/ Stacy C. Hollander (CON)/ Vivian B. Mann (CON)/ Gerard C. Wertkin (FRW)
(1)