20-21 http://lod.ehri-project-test.eu/units/nl-002896-mf866178-mf2820620/alternateIDs/1 an entity of type: Identifier rico:textualValue 20-21 rdf:type rico:Identifier rico:isOrWasIdentifierOf <http://lod.ehri-project-test.eu/units/nl-002896-mf866178-mf2820620> data from the linked data cloud