Here is a sampling of published pieces that I have copyedited (under contract with Managed Editing Inc.):

Download this file for a demonstration of copyediting: Foster Care, Postsecondary Education, and the Need for Financial Aid. (MS Word document with tracked changes – navigate to Review/Tracking/All Markup)

This is some of my own business writing: The Role of the Functional Manager. (PDF)

And this is some of my writing on music: Is That a Violin or a Fiddle? (website)