Hessenberg https://w3id.org/italia/lombardia/data/organization/hessenberg <https://w3id.org/italia/onto/COV/Organization> rdfs:label Hessenberg <https://w3id.org/arco/ontology/context-description/agentDate> secc. XIX/ XX rdf:type <https://w3id.org/italia/onto/COV/Organization> data from the linked data cloud