About: http://webisa.webdatacommons.org/332941228

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	Personal papers include letters, 1965-1990, from friends and family; and financial material such as tax returns and household expenses.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu