Specializes in American Literature before 1865, American Studies, and New Historicism. Prof. Wallace is currently working on representations of race in the Early Republic (1820-1850).
- Garth Williams, American Illustrator: A Life (2016).
- "The Black Sailor and The Red Rover,"in James Fenimore Cooper: His Country and His Art, No. 10 (1999).
- "Hawthorne and Stowe," in Hawthorne and Women: Engendering and Expanding the Hawthorne Tradition (1999).
- Early Cooper and His Audience (1986).