- Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry
- The Language of Vision: Photography and Southern Literature in the 1930s and After
- Robert Penn Warren, Shadowy Autobiography, and Other Makers of American Literature
- Dixie Limited: Railroads, Culture, and the Southern Renaissance
- These Vivid American Documents: Walker Evans, Dorothea Lange, and FSA Photobooks