- Woodward Water Wheel Governor Schematic Drawing.
- Woodward Water Wheel Governor Schematic Drawing.
- Woodward Water Wheel Governor Schematic Drawing.
- List of water wheel governor parts.
- Elmer Woodward's operating manual for water wheel governors, circa 1911.
- Elmer E. Woodward's state-of-the-art mechanical compensating type water wheel governor.
- From the Woodward Governor Company's Engineering library.