death jpg
(49.05 KB, 480x624)

"Dick" WW1... png
(2.38 MB, 1200x1519)

Home Brew Nerve Gas... png
(676.46 KB, 808x638)

Phosgene... pdf
(150.9 KB, 0x0)

Scientific... pdf
(730.43 KB, 0x0)

found at archive.org, the "Internet Archive" "Dick" chemical causes too much irritation to wear chemical weapons masks afetr inhalation.