About: http://webisa.webdatacommons.org/441230806

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	Autograph letters 1812-1865 Collection of autograph letters signed, including one each from George Stephenson, Robert Stephenson, James Watt, etc., lists
http://www.w3.org/ns/prov#wasQuotedFrom	cdlib.org