Pater Edmund has a worthy series of essays on the Roman Catholic understanding of religious freedom and Church and State over at The Josias. In the third installment he interacts with Reformation developments and modernity, citing a few of us along the way. While we would reach very different conclusions from Pater Edmund, he cites our readings of the medieval and Reformation-era ideas, including Roman Catholic ones, as being accurate interpretations. In particular, he points out the importance of the doctrine of the two kingdoms and argues that the true Roman Catholic position does claim coercive power for the visible church.
Interested readers ought to keep an eye on The Josias.