- WILLIS G. HASKELL.
- Bulletin Number 33015B.
- Brad's latest Woodward CSSA engine governor for 2022.
- Check List For Flight Testing Light Twin Engine Aircraft. 2.
- Check List For Flight Testing Light Twin Engine Aircraft.
- Elmer looking over a shipment aircraft engine governors ready to go.
- Recollections of Elmer Woodward.
- The story of how Elmer Woodward developed his first aircraft engine governor contraption.
- A Hamilton Standard Company machine shop manufacturing history project.
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