There are several series that discuss controversial viewpoints. These books often provide suggested readings and texts for additional research
“The struggle of civil rights cannot be won by any one group acting by or for itself alone, but only through a coalition of groups that share a common commitment to equal justice and equal opportunity for everyone.”
The Leadership Conference on Civil Rights and Human Rights
The Leadership Conference on Civil and Human Rights is a coalition charged by its diverse membership of more than 200 national organizations to promote and protect the civil and human rights of all persons in the United States. Through advocacy and outreach to targeted constituencies, The Leadership Conference works toward the goal of a more open and just society – an America as good as its ideals.
The Leadership Conference is a 501(c)(4) organization that engages in legislative advocacy. It was founded in 1950 and has coordinated national lobbying efforts on behalf of every major civil rights law since 1957.
https://civilrights.org/
The Leadership Conference on Civil Rights and Human Rights - Weekly podcasts
https://civilrights.org/podforthecause/
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.
Examples
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.