Philosophical Debates Over Calvinism

This is a simple request for information. I am looking for debates (preferably online) between Calvinists and non-Calvinists that have been conducted in the philosophical arena. Such debates include the topics of middle knowledge, libertarian freedom, moral responsibility and the divine attributes. I am interested in both formal and informal debates, but prefer that at least one of the debaters have an advanced degree in either philosophy or theology. I also prefer longer debates. I count a back-and-forth exchange between blogs as being a debate. If you know of any such debates, please mention them in the comments.

For an example of such a debate see the exchanges between Victor Reppert and Triablogue.