@prefix ct: . @prefix rdf: . @prefix wgs84_pos: . @prefix gn: . @prefix rdaGr3: . @prefix edm: . @prefix foaf: . @prefix owl: . @prefix rdaGr2: . @prefix rdaRelGr2: . @prefix xsd: . @prefix gnd: . @prefix skos: . @prefix rel: . ct:startingDateOfActivity "1820"^^xsd:gYear; ct:locationOfActivity [ ct:hasPlace ]; ct:datesOfActivity "1820"@en; ct:activityNote "bookseller"@en; ct:imprintName "Maitland, John, bookseller, Aberdeen"; ct:relatedImprintName ; rdf:type ct:ImprintName.