The following are a few examples of titles in Biddle Law Library providing introductions to rule of law theory and practice. Many more can be found by searching Biddle's Search Center or Van Pelt's Franklin catalogs using "rule of law" as a subject heading.
The guides linked here provide further tips on sources and strategies for rule of law research, including how to work with United Nations documents, how to find information on international development organizations, and how to conduct complementary research on human rights issues.