DEGAS / Beyond Impressionism
Richard Kendall National Gallery Publications London , 1996
Dialog
Dani Karavan Museum der Stadt Duisburg : Düsseldorf/Duisburg , 1989
dieter appelt
sylvia wolf the art institute of chicago ars nicolai , 1995
DRAWINGS OBJECTS AND PRINTS
JOSEPH BEUYS INSTITUTE FOR FOREIGN CULTURAL RELATIONS , 1994