- Simplify Your Life.
- Quality assurance manual number 23024.
- Limelight on the Lucas Aerospace Company history.
- A Lucas Aerospace Company advertisement.
- From the Woodward Governor Company's Engineering library.
- PW206 SERIES GAS TURBINE AIRCRAFT ENGINE.
- PW200 SERIES GAS TURBINE ENGINE.
- PW206 SERIES GAS TURBINE AIRCRAFT ENGINE.
- Pratt & Whitney PW206 series gas turbine engine assembly.
- PRATT & WHITNEY PW206 SERIES GAS TURBINE ENGINE.
- Woodward parts book for this control.
- Elemer E Woodward. Electrical World Volume 80, circa 8-5-1922-xx
- Oldest known Woodward catalog from the Water Power District on Race Street
- A.W. Woodward Friction Water Wheel Governors, circa 1890.
- The Woodward Governor Factory on Mill Street in the Water Power District in Rockford, Illinois(1910-1941).