<http://webisa.webdatacommons.org/prov/23499026>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201796952> .
<http://webisa.webdatacommons.org/201796952>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/201796952>	<http://www.w3.org/ns/prov#value>	"relationships, particularly as they affected the employment of land-based" .
<http://webisa.webdatacommons.org/201796952>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ibiblio.org> .