Gay, John, 1685-1732. Polly, an opera : by Mr. Gay being the sequel to the Beggar's opera, now freely adapted by Clifford Bax. - London : New York : Chapman & Hall ; Moffat Yard & Co., [1923] - 64 pages ; 19 cm Libretto. The music composed and arr. by Frederic Austin. Nat. Bib. Agency Control No.: 001379640 Uk Subjects--Topical Terms: Ballad operas--Librettos.Ballad operas--Librettos. Index Terms--Genre/Form: Drama. LC Class. No.: PR3273B32 / B3 Dewey Class. No.: 421 / CC856 822.56 / P766