With all this talk of films altered a some point in their existence, a
question has occured to me based on my main field of study.
 
In the field of music, the study of sketches for a piece of music has
achieved great prominence in recent years.  It is safe to say that the
study of Beethoven's sketches is a field unto itself.  Yet I have never
understood why such source studies seem of little interest to people who
study film.  Oh sure, there are articles and books describing various
films that have been altered (Stroheim seems to be a favorite), but these
incidences do not seem to generate a body of literature examining
the various stages that a film undergoes.
 
Are there people out there in netland who could propose reasons why
this is so?  Thanks very much.
 
Bob Kosovsky
Graduate Center -- Ph.D. Program in Music(student)/ City University of New York
New York Public Library -- Music Division
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Disclaimer:  My opinions do not necessarily represent those of my institutions.