About: http://webisa.webdatacommons.org/252019999

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	There could be legal requirements for not loosing the association, such as keeping track of if a letter has been sent and generated or taking someone off of a list of some kind.
http://www.w3.org/ns/prov#wasQuotedFrom	depesz.com