About: http://webisa.webdatacommons.org/300404515

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	In fact, all that has been found is a letter that he wrote to his editor and his agent (same letter, two copies).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com