- Rockford's good Furniture.
- See Rockford First FOR STYLE and QUALITY AT LOW COST ROCKFORD CHALLENGES THE WORLD.
- A Rockford machine shop manufacturing history project.
- W. F. & John Barnes Company.
- A Rockford machine shop manufacturing history project.
- National Lock Company, circa 1925.
- A Rockford machine shop manufacturing history project.
- Rockford National Lock Company.
- Rockford National Lock Company.
- EXCEL MANUFACTURING COMPANY.
- Rockford Chair & Furniture Comany.
- The Emerson Brantingham Implement Company.
- INGERSOLL MILLING MACHINE COMPANY.
- One of several 3-ring binders full of Woodward patents.
- Brad's Woodward Patent Project.