- Southern history
- Economic history
- U.S. environmental history
Dr. Hall teaches in both the graduate and undergraduate programs. His recent graduate offerings include a research seminar on the U.S. South and a readings course on U.S. environmental history, and he serves on several dissertation committees related to those topics. His undergraduate courses emphasize discussion, analytical writing, and the close reading of primary sources. He has also supervised undergraduate research conducted as part of summer fellowship programs and the History Department's year-long honors thesis program.
- A Rape in the Early Republic: Gender and Legal Culture in an 1806 Virginia Trial, by Alexander Smyth. Edited and with an introduction by Randal L. Hall. (Lexington: University Press of Kentucky, 2017).
- Mountains on the Market: Industry, the Environment, and the South (Lexington: University Press of Kentucky, 2012).
- Seeing Jefferson Anew: In His Time and Ours, co-edited with John Boles (University of Virginia Press, 2010).
- “Robinson Newcomb and the Limits of Liberalism at UNC: Two Case Studies of Black Businessmen in the 1920s South” (with Ken Badgett), North Carolina Historical Review 86 (October 2009), 373–403.
- Lum and Abner: Rural America and the Golden Age of Radio. (Lexington: University Press of Kentucky, 2007).
- William Louis Poteat: A Leader of the Progressive-Era South (Lexington: University Press of Kentucky, 2000).