About: http://webisa.webdatacommons.org/46592641

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	It includes books by and about first ladies, magazine and newspaper articles, manuscript collections and other materials such as video and audiotapes.
http://www.w3.org/ns/prov#wasQuotedFrom	post-gazette.com