About: http://webisa.webdatacommons.org/76059287

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	The Society maintains an extensive library of books, some of which are one of a kind, videotapes of speakers such as opal expert Len Kram, and misc. newsletters and journals.
http://www.w3.org/ns/prov#wasQuotedFrom	opalsociety.org