- Woodward factory photo of the Compensating type Water Wheel Governor.
- Amos Walter Woodward painting for the history books.
- Vintage Hydroelectric Power Plant history.
- Woodward Governor Company history.
- Woodward Shop Order 3444, circa March 26, 1919.
- The Elmer Woodward Compensating Water Wheel Governor.
- Elmer Woodward's smallest and largest governors.
- Woodward Governor Company history.
- Elmer Woodward adjusting and calibrating a governor.
- Woodward mechanical governor history letter, page 2.
- Letter to Woodward about the value of an obsolete governor, page 2.
- Woodward mechanical governor history letter, circa 1965.
- Letter to Woodward about the value of an obsolete governor.
- First Woodward governor school held in 1927.