About: http://webisa.webdatacommons.org/90039255

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	Included are correspondence, speeches, articles, scrapbooks, clippings, programs and other printed materials.
http://www.w3.org/ns/prov#wasQuotedFrom	hsp.org