. . . "Six sonatas for the harpsichord with accompanyments for two violins and violoncello. ... By Charles Avison ... Opera quinta" . "Six sonatas for the harpsichord with accompanyments for two violins and violoncello. ... By Charles Avison ... Opera quinta"@en . . . . . "Early works" . "Early works"@en . . "Electronic books"@en . . . . . "Six Sonatas for the Harpsichord with Accompanyments for two Violins and Violoncello ... Opera Quinta. [Parts]"@en . . . . .