About: http://webisa.webdatacommons.org/249710511

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	Costa draws on Darwin???s letters and notebooks and other sources to trace the origins of Darwin???s key insights, which came to him over many years.
http://www.w3.org/ns/prov#wasQuotedFrom	aibs.org