<https://w3id.org/zericatalog/letter/pi045151/id-assignment> <http://www.w3.org/2000/01/rdf-schema#label> "Assegnazione dell'identificativo: PI_0451/5/1"@it .
<https://w3id.org/zericatalog/letter/pi045151/id-assignment> <http://www.w3.org/2000/01/rdf-schema#label> "Assignment of unique identifier: PI_0451/5/1"@en .
<https://w3id.org/zericatalog/letter/pi045151/id-assignment> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.cidoc-crm.org/cidoc-crm/E15_Identifier_Assignment> .
<https://w3id.org/zericatalog/letter/pi045151/id-assignment> <http://www.cidoc-crm.org/cidoc-crm/P37_assigned> <https://w3id.org/zericatalog/letter/id/pi045151> .
<https://w3id.org/zericatalog/letter/pi045151/id-assignment> <http://www.cidoc-crm.org/cidoc-crm/P14_carried_out_by> <https://w3id.org/zericatalog/organization/federico-zeri-foundation> .