- Prime Mover Control history(patent number 4,458,713).
- PMC 3.
- PMC 5.
- Remember the year 1870 for history's sake.
- PMC 4.
- Woodward Aircraft Engine Systems history.
- The year 1870. The year the Woodward Governor Company began.
- PMC 6.
- A Stevens Point Brewery property plat and plot plan drawing.
- Woodward Aircraft Engine Systems history.
- From the Woodward fuel control patent 4,458,713.
- Woodward Aircraft Engine Systems history. Patent number 4,458,713.
- A Stevens Point Brewery property plat and plot plan drawing.
- PMC 7.
- WGC PMC FEBRUARY 1996.