- Woodward Prime Mover Control January 1986 issue.
- Woodward PMC January 1986. Page 7.
- Woodward PMC January 1986. Page 2.
- Woodward PMC January 1986 page 5.
- Woodward PMC January 1986 page 4.
- Woodward PMC January 1986 issue. Page 3.
- Woodward PMC CTL January 1986 issue.
- Woodward Hydroelectric power history.
- Woodward Governor UG type conrtol article 004
- Woodward Governor UG type conrtol article 003
- Woodward Governor UG type conrtol article 001
- Woodward Governor UG type conrtol article
- Woodward Governor Company's PMC issue for May 1986.
- Woodward Governor Company Shop Order 3155, SN # 5719, circa 1926.
- Woodward Governor Company Hydro Hstory.