About: http://webisa.webdatacommons.org/159552973

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 explained that they had never collected books per se, but rather had relied upon deliveries of pamphlets, reprints of articles and other materials directly from the US Interests Section in Havana.
http://www.w3.org/ns/prov#wasQuotedFrom	libr.org