About: http://webisa.webdatacommons.org/449261111

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	Objects are as important and useful as are letters and other documents; all of these are the primary sources of history.
http://www.w3.org/ns/prov#wasQuotedFrom	smithsonianeducation.org