Search Results       Your search for [subject]Chemical warfare -- Congresses returned 1 record.           Nonmilitary defense;: chemical and biological defenses in perspective. A collection of papers comprising the symposium on nonmilitary defense,. Washington: American Chemical Society, 1960. Subject: Chemical warfare -- Congresses; Biological warfare -- Congresses; Civil defense -- Congresses. -- United States.          Add to Book Cart Relevance: 21.40%