About: http://webisa.webdatacommons.org/449210860

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	HJ-2 Sales, sales letters, invoices, accounts and other documents, 1875-1878
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu