About: http://webisa.webdatacommons.org/396915564

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	The letters consist primarily of unsolicited inquiries, but there are also exchanges with friends and business associates along with letters pertaining to clubs, societies, and special events, including Edison's birthday.
http://www.w3.org/ns/prov#wasQuotedFrom	rutgers.edu