About: http://webisa.webdatacommons.org/53550846

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	Mobile Post Offices were first introduced in 1936 to provide telegraph, telephone and postal services at special events such as race meetings and shows.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org