Information about 31 countries' activities in the field of programed instruction is compiled in this directory. The information has been grouped for each country under three headings: 1) organizations and activities (centers, activities, specialized publishers, periodicals, professional organizations, manufacturers of teaching machines, training organizations, and documentation centres); 2) publications (books, articles, bibliographies); and 3) research and applications (research, published programed courses, and computer-assisted instruction). No material is included dating from before 1968. (WCM)