- WOODWARD LSG GOVERNORS.
- ROCKFORD CLUTCH COMPANY.
- PICKERING GOVERNORS.
- MARQUETTE HYDRAULIC GOVERNORS
- Marquette and Massey Governor Systems for 1959.
- The new Woodward Load Sensing Governor System.
- The new Woodward Load Sensing Governor System.
- WOODWARD GOVERNOR ENGINEERING.
- A New Massey Governor.
- MARQUETTE HYDRAULIC GOVERNORS AND OVER-SPEED TRIPS.
- MARQUETTE HYDRAULIC GOVERNORS.