National defense 300 more ask defense work. R.M.News.July 14,1940 p.2 250 begin training in Denver schools for defense program. :.M.News.July 9,1940 p.3 Program outlined. R.M.News.July 7,1940 p.3 City speeds 3-point defense plan. R.M.News.June 30, 1940 p.1 Colorado council named to guide defense training. Post.July 2,1940 p.2$ Denver classes may go on 24-hour basis. $.M.News.July 14,1940 p.2