<http://webisa.webdatacommons.org/prov/267255548>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/364723841> .
<http://webisa.webdatacommons.org/364723841>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/364723841>	<http://www.w3.org/ns/prov#value>	"Sources including journals and periodicals, technical and historical works (dating back to the 18th century) and external publications and reports complement our archival records." .
<http://webisa.webdatacommons.org/364723841>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<btplc.com> .