About: http://webisa.webdatacommons.org/290468386

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	He found it at Photo Books Online where they have manuals for many cameras, lenses and other things as well as out-of-print photo books.
http://www.w3.org/ns/prov#wasQuotedFrom	uscoles.com