About: http://webisa.webdatacommons.org/157195265

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	Classification Codes are a system that categorizes the document according to its primary subject matter.
http://www.w3.org/ns/prov#wasQuotedFrom	apa.org