- The Oldwoodward.com website's front page information.
- The Gisholt Machine Company history marker.
- The Oldwoodward.com website's front page information.
- A Woodward factory photo showing the top area of a CFM56-3 series fuel control.
- The Oldwoodward.com website's front page information.
- The Oldwoodward.com website's front page information.
- All the Gisholt Machine Company buildings are still standing in 2021.
- The next 100 years Woodward booklet, page 20.
- A vintage Woodward SI type governor application.
- A vintage Woodward UG-8 type governor application.
- The latest vintage Woodward governor added to the oldwoodward.com collection.
- The Oberdorfer Aluminum Foundry which made many of the Woodward housings closed in 2013.
- A vintage Woodward SI type governor application.
- A vintage Woodward IC type governor application.
- The Oldwoodward.com website's front page information.