When researching the portrayal of African Americans in films, it is important to expand your search beyond the realm of film resources. While film indexes may have a number of articles on the topic, research in databases specifically geared to African American subjects, as well as history, literature, and sociology may also be of some assistance.
For more resources check out the selections under Resources for African American Studies.
Another source of information is are research guides on courses and topics related to African American Studies. Browse these below.