Political Science Subject Guide: Literature Reviews from Yale University has very detailed information on how to search for resources for your lit review.
Other helpful hints for lit reviews:
Create an Annotated Bibliography in Chicago Style - A guide from Red Deer College Library on Chicago citation with a section on annotated bibliographies.
The Literature Review: A Research Journey - An overview of the literature review iterative process. This particular guide has an educational focus, but a literature review for any discipline has similar steps and processes. From the Harvard Library.
Literature Reviews: An Overview for Graduate Students - This 9-1/2 minute video explains what a literature review is, and why it is important for graduate student research. From North Carolina State University.
