<http://webisa.webdatacommons.org/12670831>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/12670831>	<http://www.w3.org/ns/prov#value>	"Apparently a reference to the letters, newspapers, and other documents, including" .
<http://webisa.webdatacommons.org/prov/413050148>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12670831> .
<http://webisa.webdatacommons.org/12670831>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<masshist.org> .