About: http://webisa.webdatacommons.org/341391299

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	An example is a text, written by Oliveira Vianna, that was issued as introductory material to 1920 Census results.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org