You wrote:
>I should know this. . . but I have seen a source that shows Twain's
>careful revisions of the first page of _Huck Finn_ in his own
>handwriting.  It's excellent to teach revision or to reinforce the
>importance of point of view.  Can anyone point me to that again?  I'm
>having any luck.  Many thanks.
I'm not absolutly sure, but I think I saw what you are looking for at
the Huntington Library in San Marino CA.  Their address is:  1151
Oxford Road, San Marino, California 91108.  Hope this helps.

Greg White