<http://lod.ehri-project-test.eu/units/pl-003108-2453/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#textualValue> "IPN PO 3; IPN PO 779; IPN PO 438; IPN PO 439; IPN PO 440" .
<http://lod.ehri-project-test.eu/units/pl-003108-2453/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#isOrWasIdentifierOf> <http://lod.ehri-project-test.eu/units/pl-003108-2453> .
<http://lod.ehri-project-test.eu/units/pl-003108-2453/alternateIDs/1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.ica.org/standards/RiC/ontology#Identifier> .