- Sarema - 3 acts - German
- Libretto by Alexander von Zemlinsky, Adolf von Zemlinszky and Arnold Schoenberg
- First performance at Munich, Hofoper on 10 October 1897
- Es war einmal - German
- Libretto by Maximilian Singer based on the fairy-tale play 'Der var engang' by Holger Drachmann
- First performance at Vienna State Opera on 22 January 1900
- Der Traumgörge - German
- First performance at Nuremberg, Opernhaus on 11 October 1980
- Kleider machen Leute - German
- Libretto by Leo Feld based on the short novel by Gottfried Keller
- First performance at Vienna Volksoper on 2 December 1910
- Eine florentinische Tragödie - 1 act - German
- Libretto by Alexander Zemlinsky based on a play by Oscar Wilde
- First performance at Stuttgart Hoftheater on 30 January 1917
- Der Zwerg - 1 act - German
- Libretto by Georg Klaren based on the short story 'The Birthday of the Infanta' by Oscar Wilde
- First performance at Stadttheater, Cologne, Germany on 28 May 1922
- Klabund - German
- Libretto by Alexander Zemlinsky
- First performance at Zurich, Stadttheater on 14 October 1933
- Der König Kandaules - 3 acts - German
- Libretto by Alexander Zemlinsky, Franz Blei based on the play 'Le roi Candaule' by André Gide
- First performance at Hamburg State Opera on 6 October 1996
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