Keywords: Clay accounting ball with calculi, counters, and evolution of cuneiform - Oriental Institute Museum, University of Chicago - DSC07070.JPG en Exhibit in the Oriental Institute Museum University of Chicago Chicago Illinois USA This work is old enough so that it is in the public domain Photography was permitted in the museum without restriction 2014-08-22 14 31 51 own Daderot other versions cc-zero Inscriptions in the Oriental Institute Museum Uploaded with UploadWizard Ancient accounting records |