- Elmer Woodward adjusting and calibrating a governor.
- Woodward Governor Company history.
- Woodward selects the Stevens Point, Wisconsin location for new factory, circa 1981.
- Elmer Woodward's smallest and largest governors.
- Oldest Woodward governor catalog from 1908.
- Woodward Aircraft Controls factory in Rockford, Illinois, circa 1981.
- LETTERHEAD 1919
- Woodward Governor Company Actuator Governors.
- The Elmer Woodward Compensating Water Wheel Governor.
- Woodward Shop Order 3444, circa March 26, 1919.
- Woodward Water Wheel Governor Catalogue. Page 8.
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- Woodward Governor Company Actuator Governors. 2.
- 8-xx
- A James Leffel & Company letter to the Woodward Governor Company in 1919.