PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By 1960 almost three out of five Southern blacks lived in towns and cities, concentrated in large metropolitan areas such as Atlanta and Washington, D.C. Large-scale migration to cities spurred rising aspirations, soon evident in the postwar civil rights moveme
http://www.w3.org/ns/prov#wasQuotedFrom
  • history-world.org