About: http://webisa.webdatacommons.org/311438951

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	Optionally, a BIBCO partner may add classification numbers to records for other types of materials.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov