There is a lot of stuff on the internet written about these topics. And a lot of it is biased or incendiary. Some resources found on the Internet might seem pretty good, but they have not yet had the benefit of scholarly review.
Start with general information from topical encyclopedias, reference sources (like Credo Reference, consumer-focused articles, and even Wikipedia to get a general understanding of your topic.
Jot down terms, studies and important names to use for more detailed searching.
Bibliographies and references at the end of books and articles can lead you toward other resources.
EBSCO Thesauras a.k.a. Subject Terms, Subjects, Headings,
If you want to talk to a librarian about this course, you can: