<http://webisa.webdatacommons.org/224465314> <http://www.w3.org/ns/prov#value> "The John Stevenson papers span the years 1947-1983 and include correspondence, advertising designs, direct mail/direct marketing mailings, financial records and other materials that document Stevenson's career with Greystone Press selling encyclopedias, book club subscriptions, literary continuity series and home reference manuals." . <http://webisa.webdatacommons.org/prov/100783570> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/224465314> . <http://webisa.webdatacommons.org/prov/99579720> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/224465314> . <http://webisa.webdatacommons.org/224465314> <http://www.w3.org/ns/prov#wasQuotedFrom> <duke.edu> . <http://webisa.webdatacommons.org/prov/472277342> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/224465314> . <http://webisa.webdatacommons.org/224465314> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .