About: http://webisa.webdatacommons.org/427164983

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	Any normal search in a library would fail to come up with these booklets, except for someone who knew what he was looking for.
http://www.w3.org/ns/prov#wasQuotedFrom	bibliotecapleyades.net