About: http://webisa.webdatacommons.org/381956858

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	Abstract: Letters, pamphlets, clippings, log books, maps and other printed materials.
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org