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|  | Senate Ratifies Chemical Arms Pact | 1997 |
|  | Dole Helps Delay Treaty On Chemical Weapons | 1996 |
|  | Chemical Weapons Treaty Not Ratified in 1994 | 1994 |
|  | Chemical Arms Ban | 1993 |
|  | U.S., Soviets To Cut Chemical Weapons | 1990 |
|  | Superpowers Stir Interest In a Nerve Gas Ban | 1989 |
|  | Presidential Address: Bush Urges Superpowers To Cut Chemical Arms | 1989 |
|  | Chemical Arms Sanctions | 1989 |
|  | Chemical Warfare Ban | 1974 |
|  | Nerve Gas | 1973 |
|  | CBW Treaty | 1970 |
|  | Presidential Statement to Congress: Nixon on Chemical-Biological Warfare | 1969 |
|  | Chemical-Biological Warfare | 1969 |