1928-1962 1935- 1938- 1938-20thcentury 1940- 20thcentury 7mardmar ? abstract american art basel brice cataloguesraisonnésmarden chineseinfluences criticismandinterpretationmarden drawing england english etcmarden exhibitions glenstonemuseum(potomac interviewsmarden klein london mazur michael modern newyork newyork(state) notebooks painting pat polke sigmar sketchbooks steir switzerland unitedstates whitneymuseumofamericanart yves