About: http://webisa.webdatacommons.org/65932867

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 inks, especially the black inks, are normally made of burned animal bones.
http://www.w3.org/ns/prov#wasQuotedFrom	discovery.com