- WoO 91. Two Arias for Umlauf's Singspiel 'Die schoene Schusterin': O welch ein Leben, Tenor solo, Soll ein Schuh nicht druecken, Soprano solo. Probably composed in 1795 - 1796. (Melody of first aria also used for Maigesang op. 52/4 (see 'Songs').
- Hess 115. Vestas Feuer (opera, E. Schikaneder), fragment. Composed in 1803. Published: score, Wiesbaden, 1953.
- op. 72. Fidelio oder die eheliche Liebe ('Leonore') (opera, J. Sonnleithner, after J.N. Bouilly: Leonore ou L'amour conjugal). First version (with Leonore ov. No. 2), composed in 1805 - 1805. First performed at the Theater-an-der-Wien, Vienna, November 20, 1805. Publication: vs: Leipzig, 1905, private edition of full score, Leipzig, 1908-1910. Second version (with Leonore ov. No. 3), written in 1805 - 1806, first performed at the Theater-an-der-Wien, March 29, 1806. Publication: vs: Leipzig, 1812, 3 nos. Published separately, Vienna, 1807. Final version (with 'Fidelio' overture). Written in 1814. First performed at the Kaertnertor-Theater, Vienna, May 23, 1814. Publication: vs: Vienna, 1814, s: Paris, 1826 (French), Bonn, 1847 (German).
- op. 138. Overture 'Leonore no. 1', in C. Composed in 1806 - 1807. First performed February 7, 1828. Publication: s, p: Vienna, 1838.
- WoO 94. Germania, finale of Die gute Nachricht (Singspiel, G.F. Treitschke), Bass solo. Composed in 1814. First performed at the Kaertnertor-Theater, Vienna, April 11, 1814. Publication: vs: Vienna, 1814. (Die gute Nachricht is a pasticcio).
- WoO 97. Es ist vollbracht, finale of Die Ehrenpforten (Singspiel, Treitschke). Composed in 1815. First performed at the Kaertnertortheater on July 15, 1815. Publication: vs: Vienna, 1815. (Die Ehrenpforten is a pasticcio).