PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • t period of success between 1930 and the early 1940s.[citation needed] The thirties were the years of the Great Depression and the writers with a Marxist inclination hoped to inspire and begin the social revolution that Marx and other thinkers had prophesied.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org