<http://webisa.webdatacommons.org/439463072>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<si.edu> .
<http://webisa.webdatacommons.org/prov/106331976>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/439463072> .
<http://webisa.webdatacommons.org/439463072>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/439463072>	<http://www.w3.org/ns/prov#value>	"Collection Summary: The Charles Henry Hart autograph collection dates from 1731-1917 and consists of 226 letters, portrait prints, and other documents signed by American artists." .