This book is composed of four papers prepared to illuminate the problem areas which might arise if the policies of the 1925 Geneva Protocol and other measures to limit chemical and biological weapons are ratified by the United States Senate. The papers included are: Legal Aspects of the Geneva Protocol of 1925; The Use of Herbicides in War: A Political/Military Analysis; The Military Value and Political Implications of the Use of Riot Control Agents in Warfare; and Limitations on Chemical and Biological Warfare Going Beyond Those of the Geneva Protocol. A list of references is included with each paper. Comments on the papers by an advisory group are included, and the appendix contains a copy of the Geneva Protocol of 1925, a copy of the United Kingdom Draft Convention on biological warfare, and statements by President Nixon. (PR)