Alice Paul on lead poisoning in the workplace

Upton Sinclair Primary Sources

http://www.capitalcentury.com/1906.html

https://www.britannica.com/topic/Meat-Inspection-Act

https://www.onlinesafetytrainer.com/theodore-roosevelt-and-the-meat-inspection-act/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2774192/

https://www.britannica.com/biography/Alice-Hamilton