- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- A vintage Water Wheel Governor Manufacturing History Project.
- The Gillespie Governor Company History.
- A vintage Water Wheel Governor Manufacturing History Project.
- The Gillespie Governor Company History.
- An Amos Woodward Water Wheel Governor from patent number 432,105, circa 1890.
- Looking back at Woodward governor history.
- Looking back at the Woodward Company's governor control history.
- The New 1887 Woodward Friction Water Wheel Governor.
- IT ALL BEGAN BACK IN 1870...
- A Hydro-Electric Power Plant History Project.