<http://lod.ehri-project-test.eu/units/us-005578-irn50039-irn513949/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#textualValue> "1987.121.1" .
<http://lod.ehri-project-test.eu/units/us-005578-irn50039-irn513949/alternateIDs/1> <https://www.ica.org/standards/RiC/ontology#isOrWasIdentifierOf> <http://lod.ehri-project-test.eu/units/us-005578-irn50039-irn513949> .
<http://lod.ehri-project-test.eu/units/us-005578-irn50039-irn513949/alternateIDs/1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.ica.org/standards/RiC/ontology#Identifier> .