Here are a few articles from specialized encyclopedias which you can use when considering the history of the concept of freedom.
In addition to searching the library's discovery tool, you should explore these library databases that focus on history.


Your professor wants you to cite your sources in the Chicago Manual of Style. Here is our video introduction to this documentation style. You can view our complete guide here.
The writing tutors can help you with every stage of the writing process. They can meet you online, in-person, or help you through email. Watch this video to learn how to schedule an appointment with a writing tutor.
The above video explains the differences between primary and secondary sources. Even if you know the definitions of these terms, be sure to watch this video because it is important to express that primary and secondary sources are not necessarily more accurate or less biased than each other.