About: http://webisa.webdatacommons.org/326857944

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 programs used then have mostly been lost, and 50 years later the number of surviving contemporary witnesses was very small.
http://www.w3.org/ns/prov#wasQuotedFrom	tnmoc.org