What to do if I filed for divorce but my husband won't give me the papers back to finish the filing?

You should probably submit this question again with more information, as it is really hard to answer when you don't provide what papers you need to get back.  You can petition the court for a divorce without your husband's involvment, and if he does not respond you can always obtain a default divorce judgment.  Resubmit your question with more detail.