About: http://webisa.webdatacommons.org/440209669

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 time has come when American slavery can be studied historically, without passion, save such as mixes itself with the wonder that so great an evil could exist so long as a social form or a political idol.
http://www.w3.org/ns/prov#wasQuotedFrom	unc.edu