- Woodwardology on the world wide web.
- Woodwardology on the world wide web.
- Woodward Governor Company history from the archives.
- WOODWARD GOVERNOR COMPANY DOCUMENT NUMBER 25005A
- Woodward Company history from the archives.
- The Woodward Way
- Rockford, Illinois
- Rockford property history on the Oldwoodward.com site.
- Repologle relay governor.
- Proclamation history
- Patent history.
- Patent history.
- Patent history.
- Patent history.
- On the Rock River.