- An original steam engine still operating in a mill.
- Type of water wheel governor in the 1931 letter to Woodward.
- The new senior managers make Woodward an Energy Controls Company
- Calvin C. Covert dies in 1994 and the company's profits go down big time.
- The newest state-of-the-art EMD diesel engine in 2017.
- Locomotive lineup.
- The EMD FT series diesel locomotive that made the steam engine obsolete.
- Woodward and General Electric aircraft engine control history.
- EMD locomotive history.
- Introduction manual for appilcants.
- Ontario Hydro project history.
- Woodward energy control history.
- PM type governor for the Mack engine fuel control system.
- The St. Lawrence River project.
- PM series governor cutaway drawing.