About: http://webisa.webdatacommons.org/60266770

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	When studying events that occurred before the widespread use of photography, historians have used artwork to supplement resources such as documents, diaries, and artifacts.
http://www.w3.org/ns/prov#wasQuotedFrom	whitehousehistory.org