Chemical warfare
official US history;
Glenn Cross, Dirty War: Rhodesia and Chemical Biological Warfare, 1975–1980, Helion & Company, 2017
Gordon M. Burck and Charles C. Flowerree; International Handbook on Chemical Weapons Proliferation 1991
L. F. Haber. The Poisonous Cloud: Chemical Warfare in the First World War Oxford University Press: 1986
James W. Hammond Jr; Poison Gas: The Myths Versus Reality Greenwood Press, 1999
Jiri Janata, Role of Analytical Chemistry in Defense Strategies Against Chemical and Biological Attack, Annual Review of Analytical Chemistry, 2009
Ishmael Jones, The Human Factor: Inside the CIA's Dysfunctional Intelligence Culture, Encounter Books, New York 2008, revised 2010, ISBN 978-1-59403-382-7. WMD espionage.
Benoit Morel and Kyle Olson; Shadows and Substance: The Chemical Weapons Convention Westview Press, 1993
Adrienne Mayor, "Greek Fire, Poison Arrows & Scorpion Bombs: Biological and Chemical Warfare in the Ancient World" Overlook-Duckworth, 2003, rev ed with new Introduction 2008
Geoff Plunkett, Chemical Warfare in Australia: Australia's Involvement In Chemical Warfare 1914 – Today, (2nd Edition), 2013.. Leech Cup Books. A volume in the Army Military History Series published in association with the Army History Unit.
Jonathan B. Tucker. Chemical Warfare from World War I to Al-Qaeda (2006)

External links: 
Official website of the Organisation for the Prohibition of Chemical Weapons (OPCW)
Rule 74. The use of chemical weapons is prohibited. – section on chemical weapons from Customary IHL Database, an "updated version of the Study on customary international humanitarian law conducted by the International Committee of the Red Cross (ICRC) and originally published by Cambridge University Press."
Chemical Warfare information page Archived November 13, 2012, at the Wayback Machine, from the Disaster Information Management Research Center of the U.S. Department of Health and Human Services  including links to relevant sources in the U.S. National Library of Medicine