About: http://webisa.webdatacommons.org/417316779

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	WSB-TV newsfilm clip of African American civil rights leaders including congressman Adam Clayton Powell and Dr. Martin Luther King, Jr. speaking at the Prayer Pilgrimage for Freedom, Washington, D.C., 1957 May 17 (Moving images)
http://www.w3.org/ns/prov#wasQuotedFrom	usg.edu