http://mediarichlearning.com/wp-content/uploads/2017/10/TG_20THC_WWI_HOMEFRONT_20.pdf
https://chicagounbound.uchicago.edu/cgi/viewcontent.cgi?article=2969&context=journal_articles
https://socialwelfare.library.vcu.edu/organizations/labor/haywood-william-big-bill-dudley/
https://www.smithsonianmag.com/history/fiery-socialist-challenged-nations-role-wwi-180969386/
* * * * *
WHY does this kind of research matter?
See The Atlantic: "The Books of College Libraries Are Turning Into Wallpaper"