About: http://webisa.webdatacommons.org/406449147

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 book describes about 1,000 substances, including hemp and opium, and in each case the drug is identified by its names, sources and appearances; its preparation, actions, applications and toxicity are all discussed.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com