IPN BU 1812; IPN BU 2203 http://lod.ehri-project-test.eu/units/pl-003137-1115/alternateIDs/1 an entity of type: Identifier rico:textualValue IPN BU 1812; IPN BU 2203 rdf:type rico:Identifier rico:isOrWasIdentifierOf <http://lod.ehri-project-test.eu/units/pl-003137-1115> data from the linked data cloud