About: http://webisa.webdatacommons.org/283057788

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	They claimed that the speech was a performance and thus was protected by ???common law copyright,??? even though King did not register the speech in advance with the Registrar of Copyrights.
http://www.w3.org/ns/prov#wasQuotedFrom	libertyunbound.com