Wanted: Photos of Marked Up Manuscript Pages

This is a special request for my published author friends to help teachers of writing...

I got an email today from a school principal who works with a large number of economically disadvantaged kids and English language learners, and she's determined to help them become better writers through the revision process.  She wondered if there was a place online where she could take them to see what published authors' marked up manuscripts look like when they come back from a critique group or an edi...