About: http://webisa.webdatacommons.org/144625513

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	Letters received, copies of letters sent, memoranda, telegrams, reports, publications, minutes, photographs, and other records
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org