Columbia subject headings:
Opera.
Pezzella, Vincenzo (Librettist)--Criticism and interpretation.
Romanies in literature.
Romanies in opera.
Scarano, Antonio. Metrònivasci.
Harvard subject headings:
Opera
Pezzella, Vincenzo (Librettist)--Criticism and interpretation.
Romanies in literature
Romanies in opera.
Scarano, Antonio. Metrònivasci.
Princeton subject headings:
Opera.
Pezzella, Vincenzo (Librettist)--Criticism and interpretation.
Romanies in literature.
Romanies in opera.
Scarano, Antonio. Metrònivasci.