About: http://webisa.webdatacommons.org/168141737

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	Since some documents, such as letters, received only one number even though
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org