Frymer, Paul. (2017) 2017. Building an American Empire: The Era of Territorial and Political Expansion. Princeton: Princeton University Press. External link to reference: Building an American Empire: The Era of Territorial and Political Expansion.

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.

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.