About: http://webisa.webdatacommons.org/127015311

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	Also letters and other documents written or signed by well-known people. 1784-1956, undated.
http://www.w3.org/ns/prov#wasQuotedFrom	nhm.org