- November 1993 PMC
- Woodward... At the Heart of the System Since 1870.
- In the original envelope for 70 years.
- From the WOODWARD GOVERNOR COMPANY, Rockford, Illinois. Mailed in 1953.
- In the original envelope for 65 years.
- From the WOODWARD GOVERNOR COMPANY. ROCKFORD, ILLINOIS. Mailed in 1958.
- Documenting the evolution of the Woodward Governor Company.