This register includes abstracts of 253 research studies in adult education which have been completed and reported since the first compilation. For each report the following information is given: author or institutional source; title and other identifying bibliographic data; abstract; place of publication or note on how to obtain the report. Categories used include adult education in foreign countries, participation studies, adult learning characteristics, program development processes, program evaluation, teaching methods and techniques, instructional materials and devices, adult education personnel, womens education, labor education, adult basic education, adult vocational education, institutional sponsors, and general bibliographies. There is an author index and numerous cross references. (eb)