As you begin your research, it is important to get some background on the issues, people, or events that you are studying so that you are better equipped to do a deeper search for your scholarly articles. This background can also be found in books, so remember to use Albert, the Library catalog. Here are some suggestions:
Encyclopedia of the American Civil War: A Political, Social and Military History. [ebook] ABC-Clio, 2000.
Encyclopedia of the Confederacy. (Ref 973.713 C936) New York: Simon & Schuster, 1993.
West Point Atlas of the Civil War. (Ref 973.7022 Es65) New York: Praeger, 1962.
Search for books that might be helpful for you-- use broad terms like: Antietem, runaway slaves, Ft. Sumter, etc.