ReferenceWork
IRI: http://nomisma.org/ontology#ReferenceWork
has Superclasses: dcterms:BibliographicResource
has Subclasses: TypeSeries
Object property: nmo:hasReferenceWork
Class instances: nm:igch, nm:belfort, nm:prou_mero, nm:head_1911
Note: A published work of reference relevant to a numismatic object.
Use case:

RDF/XML:<rdf:Description rdf:about="Coin_1">
<nmo:hasReferenceWork rdf:resource="nm:igch"/>
</rdf:Description>