Dr. Jeff Sikkenga, Professor of Political Science at Ashland University and Executive Director of the Ashbrook Center interviewed Dr. Jennifer Keene of Chapman University on 20 May 2020, focusing on the lives, ideas, and contributions of Henry Ford and Madam CJ Walker, heroes of American Business.
- Henry Ford’s Five-Day Week, The Library Digest, 29 April 1922
- My Life and Work (Chapter 4, 5, and 8), Henry Ford, 1922
- Henry Ford Sociology Department
- Collection of Primary Sources for Mdm. CJ Walker