About: http://webisa.webdatacommons.org/257445100

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 can often provide information that may not be found elsewhere including official records.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com