About: http://webisa.webdatacommons.org/61296114

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 letter clearly was written tongue-in-cheek, and its sarcastic plan suggests the author was an opponent instead of a proponent of slavery, adopting the guise of the adversary to mock them.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com