- Woodward Governor Art. The CFM56-2 gas turbine fuel control manufactured by the Woodward Governor Company.
- From John Hartman's Contemporary Photography Studio.
- Brad's Woodward Governor Art. The CFM56-2 gas turbine fuel control manufactured by the Woodward Governor Company.
- Researching and documenting the Woodward gas turbine fuel control governor system over the years.
- In the home office.