<http://webisa.webdatacommons.org/377560574>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/472047623>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/377560574> .
<http://webisa.webdatacommons.org/377560574>	<http://www.w3.org/ns/prov#value>	"Correspondence, including published and unpublished letters to the editor Box/Folder 59 : 9" .
<http://webisa.webdatacommons.org/377560574>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cdlib.org> .