Columbia subject headings:
Chemical arms control--Cases.
Chemical arms control.
Convention on the Prohibition of the Development, Production, Stockpiling, and Use of Chemical Weapons and on Their Destruction (1993)
Organisation for the Prohibition of Chemical Weapons.
Harvard subject headings:
Chemical arms control--Cases.
Chemical arms control.
Chemical warfare (International law)
Organisation for the Prohibition of Chemical Weapons--Rules and practice.
Organisation for the Prohibition of Chemical Weapons.
Princeton subject headings:
Chemical arms control--Cases.
Chemical arms control.
Convention on the Prohibition of the Development, Production, Stockpiling, and Use of Chemical Weapons and on Their Destruction
Organisation for the Prohibition of Chemical Weapons.