The MLA (Modern Language Association) Bibliography is the major index for literary studies; it's updated several times throughout the year. Subjects covered are:
A helpful way to search the MLA Bibliography is by using the Advanced search interface to run a "Primary Subject Author" and "Primary Subject Work" search.
Also accessible via ProQuest Black Studies by selecting the "Journals" search:
Provides historical coverage of the United States and Canada and indexes over 2000 historical journals. This is a key resource if you are searching for historical scholarship related to your research project.