L'amor costante dramma comico. Per musica (printed for H. Woodfall, in Pater-Noster Row, 1754)
"The musick by Sig. Leonard Leo
English Short Title Catalog, T71787
Half-title: 'Love and constancy. As it is acted at the Theatre Royal, Covent-Garden'
Parallel English and Italian texts
Price from imprint: price 1s