- Rockford Illinois history with Amos W. Woodward information.
- Circa 1905.
- The Amos Woodward machine shop history in Rockford, Illinois.
- The factory where Amos Woodward developed his first patented governor in 1870.
- Woodward Governor Company history.
- The Woodward Way.
- The Woodward Constitution
- Woodward draft revision for 1996.
- BIG W history data.