tag:digital.library.illinois.edu,2005:/items/95b2b1a0-73cd-0134-1deb-0050569601ca-7Preliminary Sketch2023-07-20T13:49:52Ztag:digital.library.illinois.edu,2005:Item/617422016-11-01T16:37:46Z2023-07-20T13:49:52ZPreliminary SketchUniversity of Illinois at Urbana-Champaign Library