About: http://webisa.webdatacommons.org/420348588

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	Letters sent and received, including letters exchanged between family members, with miscellaneous items and enclosures.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov