<http://webisa.webdatacommons.org/prov/200993114>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15747931> .
<http://webisa.webdatacommons.org/15747931>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/74330373>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15747931> .
<http://webisa.webdatacommons.org/15747931>	<http://www.w3.org/ns/prov#value>	"Whole families, including immediate relative, moved to Chicago, Pittsburgh, Detroit, New York, Cleveland, St. Louis, and other cities where employment might be available." .
<http://webisa.webdatacommons.org/prov/75116835>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15747931> .
<http://webisa.webdatacommons.org/15747931>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yale.edu> .
<http://webisa.webdatacommons.org/prov/166594020>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15747931> .
<http://webisa.webdatacommons.org/prov/151408144>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15747931> .