About: http://webisa.webdatacommons.org/190516390

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	However later biographers of Robert Louis Stevenson have claimed that he was probably on drugs such as cocaine when writing it.
http://www.w3.org/ns/prov#wasQuotedFrom	goodreads.com