- The One Millionth Woodward governor control system shown.
- Woodward...A Leader in the Aircraft Engine Control Industry.
- Elmer Woodward's little 3 pound aircraft engine governor and the improved models.
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- 5B
- 4C
- Amos Woodward's little machine Shop on Race Street down in the Rockford Water Power District.
- The Art and Science of the Woodward governor evolution.
- 1985 August Fort Collins, Colorado Woodward Plant News.
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- A Woodward Prime Mover Control Plant News History Project.
- December 1976 Fort Collins Woodward Plant News.
- A Woodward Prime Mover Control Plant News History Project.