About: http://webisa.webdatacommons.org/97277198

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	Political, social, business, personal, and family correspondence, especially correspondence with his first wife, Grace Fletcher Webster, and his second wife, Caroline Leroy Webster; addresses; memoranda; articles; and portraits.
http://www.w3.org/ns/prov#wasQuotedFrom	congress.gov