- Sister Carrie: Theodore Dreiser's Sociological Tragedy (Twayne's Masterwork Studies)
- Literary Humor of the Urban Northeast, 1830-1890
- Adventures of Huckleberry Finn: American Comic Vision (Masterworks Studies, No 18)
- Student Companion to Mark Twain (Student Companions to Classic Writers)
- American Humor Magazines and Comic Periodicals: (Historical Guides to the World's Periodicals and Newspapers)