About: http://webisa.webdatacommons.org/98437584

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	Their materials are expensive, but you can sometimes find the books at the library, or on www.half.com or other book sites.
http://www.w3.org/ns/prov#wasQuotedFrom	mothering.com