- Eagle Brewery in 1897.
- Rahr Brewery in 1916.
- Bulletin 11004A.
- Bulletin 15003.
- Bulletin 14043A.
- Manual 14045A.
- Bulletin 09026
- RELAY- VALVE OIL PRESSURE GOVERNOR CATALOG, CIRCA 1912.
- Woodward Governor Company's product catalog, circa 1964.
- Elmer Woodward's Power Control publication from 1911.
- WOODWARD HYDRAULIC GOVERNORS. NEW FOR THE YEAR 1912.
- Woodward at 660 Race Street in the RKFD Water Power District.
- Woodward type D mechanical governor application.
- TEXTILE WORLD 1909.
- The Woodward Company is going strong in Rockford in 2017. History in the making!