Packard Humanities Institute - Facsimiles of Mozart Operas - NYTimes.com

SCHOLARS wishing to examine the manuscripts of the masters must expect to go out of their way, but since World War II several Mozart operas have required more effort than many other such treasures. Of the principal scores only two have come down in one piece: �Don Giovanni� in Paris and �The Magic Flute� in Berlin. The others are dispersed among various owners.