- Critical Introduction to Alexis de Tocqueville’s De la Démocratie en Amérique
- Critical Introduction to George Grote’s History of Greece Volumes 1 and 2
- Critical Introduction to George Grote’s History of Greece Volumes 3 and 4
- Critical Introduction to George Grote’s History of Greece Volumes 5 and 6
- Critical Introduction to George Grote’s History of Greece Volumes 7 and 8
- Critical Introduction to George Grote’s History of Greece Volumes 9 through 12
- Critical Introduction to Thomas Carlyle’s Latter-Day Pamphlets
- Critical Introduction to Henry Home’s Elements of Criticism