About: http://webisa.webdatacommons.org/221218574

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	Back then, the way of gathering information was either you actually had to witness it first hand, see a document, or have some sort of a recording.
http://www.w3.org/ns/prov#wasQuotedFrom	discerningtheworld.com