About: http://webisa.webdatacommons.org/2576101

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	How many times do we need to be told that calomel is a form of mercury and was used to treat a variety of illnesses?
http://www.w3.org/ns/prov#wasQuotedFrom	goodreads.com