- The new Woodward type SI diesel engine governor.
- Staying Power...
- A vintage steam engine with a large flyball governor for control.
- Elmer Woodward's first diesel engine governor from patent number 2,039,507.
- Woodward Company history from the archives.
- The Woodward Governor Company history on the type 2419 governor.
- WOODWARD PG SERIES LOCOMOTIVE GOVERNOR MANUAL.
- WOODWARD HYDRAULIC GOVERNORS.
- An EMD 567 series diesel engine with a Woodward PG governor application.
- Woodwardology on the world wide web.
- From a crazy idea at Woodward.
- Woodward PG type governor manual.
- History in the making!
- World's most powerfull locomotive in the 1950's. All equipped with Woodward governors.
- Page 1.