About: http://webisa.webdatacommons.org/373692717

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	Much of the literature seems to be from the 1970s, although there are a couple from my quick search that are more recent (see reference list below).
http://www.w3.org/ns/prov#wasQuotedFrom	thepracticalpsychosomaticist.com