d21 http://lod.ehri-project-test.eu/units/nl-002896-mf832756-mf832800/alternateIDs/1 an entity of type: Identifier rico:textualValue d21 rdf:type rico:Identifier rico:isOrWasIdentifierOf <http://lod.ehri-project-test.eu/units/nl-002896-mf832756-mf832800> data from the linked data cloud