- The Clilton Tractor Journal.
- A farm tractor and gas engine manufacturing history project.
- Farm Implement News.
- Chilton Tractor Index history.
- Tractor and Gas Engine Review.
- FARM MECHANICS
- Tractor and Gas Engine Review.
- Circa 1923.
- FARM MECHANICS
- Tractor and Gas Engine Review.
- The American Thresherman for Farm Power Users.
- Tractor and Gas Engine Review.