About: http://webisa.webdatacommons.org/210045265

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	Stamps featuring such well-known personalities as writer Alex Haley, civil rights activists Rosa Parks and Dr. Martin Luther King, Jr., can be found in this reference work.
http://www.w3.org/ns/prov#wasQuotedFrom	alibris.com