<http://lod.ehri-project-test.eu/units/us-005578-irn520942-irn520973/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#textualValue> "1988.42.21" .
<http://lod.ehri-project-test.eu/units/us-005578-irn520942-irn520973/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#isOrWasIdentifierOf> <http://lod.ehri-project-test.eu/units/us-005578-irn520942-irn520973> .
<http://lod.ehri-project-test.eu/units/us-005578-irn520942-irn520973/alternateIDs/1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.ica.org/standards/RiC/ontology#Identifier> .