About: http://webisa.webdatacommons.org/276085905

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 ???Public Declaration of Playwrights against apartheid??? signed by authors such as Samuel Beckett, Graham Greene, Harold Pinter and Arthur Miller imposed a cultural boycott on South Africa.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com