Now that you know some background info, and have narrowed your topic, try out one of these databases. If you're researching a "hot topic" (i.e. something like gun control, medical marijuana, police brutality, etc.), take a look at Gale in Context: Opposing Viewpoints.
This multidisciplinary resource contains access to scholarly journals, book reviews, magazine articles, newspaper articles, books, videos, and trade publications in English and a wide variety of other languages. Coverage: 1887-present
Articles from international, national, and regional newspapers, newswires, and news sites. It includes access to major United States newspapers, such as, Chicago Tribune, Los Angeles Times, New York Times, and Wall Street Journal. Coverage 1980-present.
A comprehensive archive of multidisciplinary scholarly journals and books. Coverage: 1800s to 3-5 years ago; Includes ARTstor - images across the arts, architecture, humanities, and social sciences with tools to view, present, and manage images for research and teaching. Coverage: ancient times to today.
Found a physical book you'd like to get? You'll need three pieces of information: location, call number, and availability. You can ask at the front desk for help finding it, and that's also where you'll check it out. Also, check out Research Byte #12: eBooks.