About: http://webisa.webdatacommons.org/361081959

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	marriage, there is one box of letters between the couple and artists or other friends, and one of professional correspondence,
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org