About: http://webisa.webdatacommons.org/170697312

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	This Series is the hardest to find in the 1957 set and covers #255-#352.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com