Starting Point Works on Christianity and Politics:
The Wiley Blackwell Companion to Religion and Politics in the U. S. by 
The Oxford Handbook of Religion and American Politics by 
The Cambridge Companion to Christian Political Theology by 
Political Theology: a Guide for the Perplexed by 
T&T Clark Handbook of Political Theology by 
Wiley Blackwell Companion to Political Theology by Subject Headings:
Use these in the library catalog by defining your search as a "subject" search. If doing an advanced search, you can add additional keywords or terms on the second or third lines to further specify results. These terms can also be used in the ATLA Religion Database.
Call Numbers:
Use this list to aid in browsing the stacks.
Journals:
These journals contain articles on political theology. The links direct researchers to an ATLA Religion Database search for articles contained within these journals. Add search terms to further specify results.