<http://lod.ehri-project-test.eu/instantiations/us-005578-irn500552-eng-irn500552_eng> <https://www.ica.org/standards/RiC/ontology#isInstantiationOf> <http://lod.ehri-project-test.eu/units/us-005578-irn500552> .
<http://lod.ehri-project-test.eu/instantiations/us-005578-irn500552-eng-irn500552_eng> <https://www.ica.org/standards/RiC/ontology#hasOrHadHolder> <http://lod.ehri-project-test.eu/institutions/us-005578> .
<http://lod.ehri-project-test.eu/instantiations/us-005578-irn500552-eng-irn500552_eng> <https://www.ica.org/standards/RiC/ontology#title> "Ludwik Krzywonowski letter"@eng .
<http://lod.ehri-project-test.eu/instantiations/us-005578-irn500552-eng-irn500552_eng> <http://www.w3.org/2000/01/rdf-schema#label> "Ludwik Krzywonowski letter"@eng .
<http://lod.ehri-project-test.eu/instantiations/us-005578-irn500552-eng-irn500552_eng> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.ica.org/standards/RiC/ontology#Instantiation> .