About: http://webisa.webdatacommons.org/411438855

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	They contain clippings, photographs, correspondence, programs, promotional materials, and other items.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov