For a recent translation of Baur’s Lectures on New Testament Theology, see:
2016. Ferdinand Christian Baur. Lectures on New Testament Theology. Edited by Peter C. Hodgson. Translated by Robert F. Brown. Oxford: Oxford University Press.
For a recent collection of essays on Baur, see:
2014. Ferdinand Christian Baur und die Geschichte des frühen Christentums. Edited by Martin Bauspieß, Christof Landmesser, and David Lincicum. Tübingen: Mohr.
A bibliography of F. C. Baur can be found in the following work:
Harris, H. (1975). The Tübingen School. Oxford: Clarendon Press.
There are links to some of these works at his Wikipedia page.