There are several series that discuss controversial viewpoints. These books often provide suggested readings and texts for additional research
The Leadership Conference offers this newsfeed concenring current civil rights issues.
Reference sources can provide good background information plus a list of recommended books and articles at the end of each article. You can find thes by searching the online catalog for the phrase "handbook" or "encyclopedia" in combination with a relevant topic. Or, ask at the Reference Desk for assistance.
Each of these organizations provides information on current issues, news, and projects. Browsing through each organization's website is a good first step in thinking about possible research topics.