About: http://webisa.webdatacommons.org/179758201

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	Also found in Dale's papers is a photograph taken in the studio of sculptor Ralph Stackpole (1885-1973), who Rivera had known in Paris.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu