[{"id":30004,"url":"http://www165.123.244.137/subject/30004/","title":"31-17-271","control_properties":[{"property":"Museum","value":"University of Pennsylvania Museum","inline":"","footnote":""},{"property":"Object Type","value":"Fasteners, Nails, and Hooks","inline":"","footnote":""},{"property":"Material","value":"Copper Alloy","inline":"","footnote":""}],"free_form_properties":[{"prop":"Museum Number (UPM Date Reg Number)","property_value":"31-17-271","inline_note":"","footnote":""}]}]