Select sources which enable you to examine patterns of thought, behavior, roles and power between the sexes.
The Purdue source noted above identifies major theorists. Consider perceptions of race in the original work being studied. Look for resources that provide a broad overview of the time, place; society at large to explore context and gain insight on the issues.
A source to research archetypal criticism.
Access available to full text until three years before the current date. PEP Web provides access to the PEP Web archive, which contains both books and journal articles. The book archive includes the full text of the Standard Edition of the Complete Psychological Works of Sigmund Freud, Freud's letters to his major collaborators and the full text of the major works by Wilfred Bion, Melanie Klein and Donald Winnicott along with other major psychoanalytic authors. The journals in the archive presently include the full text many premier English-language journals in psychoanalysis.
Historical Criticism could be used to learn about the Civil War and how Green uses the topic in Sud. Searching could include looking both at the author and his work in a targeted database like below. It could also include more broadly researching the Civil War and the locale of the work.
Consider all aspects of Franketienne's work when doing research including his art, political influence, etc.