<http://webisa.webdatacommons.org/189919253>	<http://www.w3.org/ns/prov#value>	"He can use recorded sources (books, articles, letters, diaries, tape-recordings, movies) or live sources including himself, his family, relatives, neighbors, classmates, etc." .
<http://webisa.webdatacommons.org/prov/396903720>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/189919253> .
<http://webisa.webdatacommons.org/189919253>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yale.edu> .
<http://webisa.webdatacommons.org/189919253>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .