- Woodward bulletin number 18005B
- Woodward bulletin number 18007.
- Allis-Chalmers Manufacturing Company History.
- AC Company history page 3.
- AC Company history page 2.
- Woodward bulletin 18007.
- WGC CTL FEBRUARY 1995
- Woodward bulletin 18005b
- WGC PMC CTL NOVEMBER 1995
- WGC PMC CTL JUNE 1995
- WGC PMC CTL JULY 1995
- WGC PMC CTL AUGUST 1995
- WGC PM CTL OCTOBER 1995
- WGC PMC CTL APRIL 1995
- SHOW ME THE WOODWARD HISTORY!