- A Woodward governor schematic drawing for a gas turbine engine.
- Edward P. Allis history, circa 1893.
- A Bendix Company series DP-K2 fuel control governor for gas turbine engines.
- Data on a Woodward Governor Company control application.
- Fuel system block diagram.
- Woodward Governor Company history.
- Woodward...At the Heart of the Energy Control System Since 1870.
- Woodward Governor Company history.
- Zhukovsky Moscow Russian control for a turbofan jet engine.
- STURGESS GOVERNOR ADVERTISEMENT
- A cutaway of a metering valve section in a jet engine governor
- A Bendix Company series DP-K2 fuel control governor for gas turbine engines.
- The Mechanical News, an illustrated journal of. v23 no 9. Circa 1893.
- Woodward Company history from the archives.
- Edward P. Allis history, circa 1893(Allis-Chalmers Manufacturing Company).