{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/331274404"
      "properties" : {
        "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" : [ "But those who contend that the value of raw and other products, the quantities of which admit of indefinite increase, is determined by the cost of their production, invariably refer to the labour required to produce that portion of raw produce, or of any required article which is raised under the most unfavourable circumstances. ???The exchangeable value of all commodities,??? says Ricardo, ???whe" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "libertyfund.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/229874752"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/331274404"] } } }
