Resources for Mozart research

Mozart, Wolfgang Amadeus. Zaide. Vocal score. [Zaïde. Oper in zwei Acten von W. A. Mozart.] Offenbach a/M: J. André [1838].
Merritt Room Mus 745.1.701 PHI.

Zaïde. Vocal score in German. Text by J.A. Schachtner, rewritten by C. Gollmick. Vorbericht by Anton Andre and Carl Gollmick, dated 1838. J. André 6256.

Mozart, Wolfgang Amadeus. Zaide. Vocal score. [Zaïde. Oper in zwei Acten. Deutscher Text. Von W. A. Mozart. Klavierauszug.] Offenbach a/M.: J. André, [1838?].
Merritt Room Mus 745.1.699.
Merritt Room Mus 745.1.699 PHI.

Zaïde. Vocal score in German. Text by J. A. Schachtner, rewritten by K. Gollmick. "Overtura" (here arranged for 2 pianos) and Finale supplied by Anton André. J. André no. 5351.