![World War I Lesson Plans: Letter to War Industries Board [Pdf] Primary](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "World War I Lesson Plans: Letter to War Industries Board [Pdf] Primary")
Wisconsin Historical Society
World War I Lesson Plans: Letter to War Industries Board [Pdf]
Read this letter from the Wisconsin state council of defense to the War Industries Board requesting that a small manufacturer of farm machinery receive a special rating in order to use iron in its company.[pdf]