About: http://webisa.webdatacommons.org/440471379

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	When the work is used for self-teaching, considerable linguistic knowledge is a prerequisite, especially to tackle volume 3.
http://www.w3.org/ns/prov#wasQuotedFrom	linguistlist.org