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- 1932, geneva
- Fries
- gas, british, airplane
- gas, gas alert, streeton
- gas, mustard, wound, soldier
- gas, smoke, poison
- gas, training
- gas, wound
- gas, WWI, blind
- Geneva, protocol
- Greek, fire
- Hague, peace
- machine gun, mask
- mask, gas
- Otto Dix, stormtroopers, etching
- Roman, Persian, Persian use of chemical weapons on Roman soldiers, Dura-Europos
- trench
- Washington, naval, conference, treaty