- WGC PMC NOVEMBER 1986
- WGC PMC OCTOBER 1993
- WGC PRIME MOVER CONTROL HISTORY PROJECT.
- WGCPMC CTL OCTOBER 1993
- Woodward Governor Company controls in a 1921 S. Morgan Smith Company catalog..
- Woodward... At the Heart of the Energy Control System Since 1870.
- Woodward...At the Heart of the Energy Control System Since 1870.