Below are just a few books which may prove helpful in your research. Try using these subject headings in the subject heading search to find additional books:
Women --Political activity --United States.
Minorities--Political activity--United States.
Contested Transformation : Race, Gender, and Political Leadership in 21st Century America by 
Twists of Fate : Multiracial Coalitions and Minority Representation in the US House of Representatives by 
Gender and Elections : Shaping the Future of American Politics, 4th ed. by 
Gender in Campaigns for the U.S. House of Representatives by 
