Columbia subject headings:
Operas--Thematic catalogs.
Traetta, Tommaso, 1727-1779. Operas.
Harvard subject headings:
Traetta, Tommaso, 1727-1779. Operas--Thematic catalogs.
Traetta, Tommaso, 1727-1779. Operas.
Princeton subject headings:
Operas--Thematic catalogs.
Traetta, Tommaso, 1727-1779. Operas.