<http://webisa.webdatacommons.org/prov/319046167>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/331642893> .
<http://webisa.webdatacommons.org/331642893>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/331642893>	<http://www.w3.org/ns/prov#value>	"Such Presidents as Lincoln, Wilson, and even Roosevelt could do without a great mass of technical and scientific knowledge; today???s President cannot." .
<http://webisa.webdatacommons.org/331642893>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<americanheritage.com> .