About: http://webisa.webdatacommons.org/101394152

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	The study of the history of the international mail posts, documents, and objects, including all types of mail.
http://www.w3.org/ns/prov#wasQuotedFrom	colum.edu