Mozart, Wolfgang Amadeus.

including 1) Die Entführung aus dem Serail. Ein Singspiel in drey Aufzügen. In Musik gesetzt von Mozzart, Passau: Ambrosi, 1793, 64 pages, 8vo (16 x 10cm), contemporary wrappers, light browning; 2) Die Zauberflöte. Eine Oper in drei Aufzügen, neubearbeitet von C.A. Vulpius, Leipzig: Heinsius, 1794, 104 pages, 8vo (15.6 x 9.2cm), modern calf gilt, a few small stains; 3) Don Juan Oper in zwei Akten. Nach dem Italienischen des Abb. da Ponte frei bearbeitet von Friedrich Rochlitz, Leipzig: Breitkopf und Härtel, 1801, 58 pages, 8vo (22.5 x 14.2cm), publisher's printed wrappers, a few small tears to margins, ownership stamp to title; 4) Die Hochzeit des Figaro. Ein Singspiel in vier Aufzügen. Mit Beybehaltung der Musik von Mozart. Aus dem Italienischen übersetzt, Vienna: Wallishauser, 1798, 102 pages, 8vo (17.3 x 19.8cm), contemporary stencilled wrappers, browning and ownership stamp to title, tiny tear to upper left-hand corner of lower wrapper; 5) Theatralische Abentheuer. Eine komische Oper in zwey Aufzügen, nach dem Italienischen, Eisenstadt, Fürstliche Hofbuchdruckerey, 1807, 72 pages, 8vo (16.7 x 9.8cm), stencilled wrappers, ownership stamps, some creasing; and one other 

Peter Branscombe, W. A. Mozart. Die Zauberflöte (Cambridge, 1991), pp.163-164

Condition is described in the main body of the cataloguing where appropriate.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

A good collection of early Mozart librettos, including the curiously bowdlerized revision of the libretto for Die Zauberflöte carried out for Goethe by his future brother-in-law Christian August Vulpius, a version of the Singspiel which was premiered in Weimar, with Goethe's staging, on 16 January 1794. A notable spin-off from Goethe's involvement with the opera was his own unfinished sequel Der Zauberflöte Zweiter Teil, on which he worked intermittently between 1794-1795 and around 1800. A further libretto concocted by Vulpius is that for Theatralische Abenteuer, a pasticcio based on Mozart's Der Schauspieldirektor, K.486, and Cimarosa's L'Impresario in angustie.