- Erl C Martin
- Erl C Martin 001
- First Amos Woodward Governor Patent number 103 813 May 31 1870
- Floor plan
- From a 1930 s Woodward governor catalog
- From the 1940 Woodward history booklet
- G E type 4 gas turbine ca 1968
- General ll
- Hall of Fame 1981
- Henri Siedow's Woodward history project.
- History 2
- History 3
- History 4
- History of the Woodward property at 5001 North Second Street
- History painting