Going, Allen J. Bourbon Democracy in Alabama, 1874-1890. Tuscaloosa: University of Alabama Press, 1951. Reprinted 1992.
Although an older study, it still is the best general coverage of the state under Bourbon control.
Hackney, Sheldon. Populism to Progressivism in Alabama. Princeton, N. J.: Princeton University Press, 1969.
For many years the standard interpretation of the evolution of Populism in Alabama. Recently challenged by Samuel Webb (see below).
McMillan, Malcolm Cook. Constitutional Development in Alabama, 1798-1901: A Study in Politics, the Negro, and Sectionalism. Chapel Hill: University of North Carolina Press, 1955. Reprinted 1978.
An older work but still one of the best.
Rogers, William Warren. The One-Gallused Rebellion: Agrarianism in Alabama, 1865-1896. Baton Rouge: Louisiana State University Press, 1970.
The standard work on the agrarian movement in the state.
Webb, Samuel L. Two-Party Politics in the One-Party South: Alabama's Hill Country, 1874-1920. Tuscaloosa: University of Alabama Press, 1998.
Most recent study of the era of the Constitution of 1901. Shows that Populists were not people on the fringes of society as Hackney claimed, but that many members of the Farmers' Alliance were solid respectable citizens who were tired of Bourbon rule.