- Woodward Aircraft Engine Systems history. Patent number 4,458,713.
- Woodward Aircraft Engine Systems history.
- Woodward Aircraft Engine Systems history.
- WGC PMC FEBRUARY 1996.
- The year 1870. The year the Woodward Governor Company began.
- The Stevens Point Brewery property showing the Brewmaster's house behind the Bottle House.
- The Stevens Point Brewery property showing a steam train heading for Chicago in 1937.
- THE STEVENS POINT BREWERY IN 1908.
- The Stevens Point Brewery history from the Oldwoodward.com archives.
- The Stevens Point Brewery from the Oldwoodward.com archives.
- The Stevens Point Brewery and the Brewmaster's house.
- Step back in history...
- Remember the year 1870 for history's sake.
- Prime Mover Control history(patent number 4,458,713).
- PMC 7.