Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Chemical warfare 9 SEE ALSO narrower term: Gases, Asphyxiating and poisonous -- War use 2 SEE ALSO narrower term: Herbicides -- War use 1 SEE ALSO narrower term: Smoke screens 2 Chemical warfare agents 1 SEE: Chemical agents (Munitions) 7 Chemical Warfare Agents -- Handbooks. 1 Chemical Warfare Agents -- history. 1 Chemical Warfare Agents -- toxicity. 3 Chemical warfare -- Drama. 1 Chemical warfare -- Environmental aspects -- Vietnam. 1 Chemical warfare -- Fiction. 3 Chemical warfare -- Handbooks, manuals, etc. 1 Chemical warfare -- Health aspects. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >