The History Squad on MSN

How soldiers faced the threat of poison gas in World War I

Poison gas emerged as one of the most feared weapons of the First World War. Beginning in 1915, chemical agents such as chlorine and mustard gas were deployed on the battlefield, causing widespread ...
insider.si.edu

Toxic exposures : mustard gas and the health consequences of World War II in the United States / Susan L. Smith

NNMAHMAI copy purchased with funds from the S. Dillon Ripley Endowment. "Mustard gas is typically associated with the horrors of World War I battlefields and trenches, where chemical weapons were ...