2Portfolios%20%3D%20%22893%22%20and%20Disp_Obj_Type%20%3D%20%22Print%22%20and%20Sort_Artist%20%3D%20%22Gropper,%20William%22William GropperGropper, WilliamUnited States18971977MalePrintA New Bill13 7/8 x 19 3/16 in. (35.2 x 48.7 cm)...Printer's ink194019401940PrintMemorial Art Galleryxxx1996.3196.31SL196.31DI196.31.tifWilliam GropperGropper, WilliamUnited States18971977MalePrintThe Opposition12 1/8 x 17 in. (30.8 x 43.2 cm)...Printer's ink194219421942PrintMemorial Art Galleryxxx1989.5989.59DI189.59TR163gropper2.tif89.59DI#2