About: http://webisa.webdatacommons.org/437424431

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 holds more than 130 million items in various formats such as books, manuscripts, maps, prints and photographs, music and films.
http://www.w3.org/ns/prov#wasQuotedFrom	loc.gov