Chachulski, J. “‘Bad Taste And Common Exaggeration’. Several Remarks on the Musical and Dramatic Structure of Józef Elsner’s Opera Sultan Wampum, As Compared With the Original Libretto by August Von Kotzebue”. Muzyka, vol. 64, no. 4, Dec. 2019, pp. 3-36, doi:10.36744/m.236.