About: http://webisa.webdatacommons.org/406476586

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 are personal letters of Virgil Maxcy and other members of the family, including letters, 1894-1895, from Joseph Jefferson, actor.
http://www.w3.org/ns/prov#wasQuotedFrom	hsp.org