About: http://webisa.webdatacommons.org/94537759

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	There are only a few million pages of old trade and professional journals to plow through, and other people use different kinds of sources.
http://www.w3.org/ns/prov#wasQuotedFrom	historynewsnetwork.org