Oca del Cairo. Libretto. German. Published in Berlin.

von Viktor Wilder ; Musik von Mozart ; Deutsch von Th. Hauptner. (statement of responsibility)
U.S. RISM Libretto Project.
Unfinished opera by Mozart orchestrated by Charles Constantin; original libretto by Giambattista Varesco.
This version of the libretto includes texts from other Mozart operas as well--Wilder. Kurze Beschreibung (Introduction to 6839[b]).
Performers' names not given.
With: Die Gans von Cairo / W. A. Mozart. Berlin : Druck von Ernst Litfass, 1867? Laid in container. Both numbered S6839. DLC