Operas:

The Devil on Two Sticks. 1752 (?)

Acis und Galatea. 1762.

La Vera Costanza. 1776.

Orfeo ed Euridice. 1793.

Oratorios:

Il Ritorno di Tobia. 1775.

[The well-known motet 'Insanæ et vanæ curæ' is taken from this oratorio.]

The Seven Words from the Cross. 1794.

[Originally composed as a series of pieces for orchestra in 1787.]