<http://webisa.webdatacommons.org/15450971>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/15450971>	<http://www.w3.org/ns/prov#value>	"The 1840s, for example, was a period of great agricultural depression and unemployment." .
<http://webisa.webdatacommons.org/15450971>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yale.edu> .
<http://webisa.webdatacommons.org/prov/270063116>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15450971> .