Frymer, Paul. (2010) 2010. Uneasy Alliances: Race and Party Competition in America. Princeton University Press. External link to reference: Uneasy Alliances: Race and Party Competition in America.

Frymer, Paul. (2007) 2007. Black and Blue: African Americans, the Labor Movement, and the Decline of the Democratic Party. Princeton: Princeton University Press. External link to reference: Black and Blue: African Americans, the Labor Movement, and the Decline of the Democratic Party.