Continuing education activities available to laboratory technologists and personnel are listed in this directory. Workshops, seminars, short courses, and night classes intended to help the working technologist update his professional knowledge and keep abreast of new developments are listed by states. Courses offered at various colleges and universities are itemized, as are professional organizations offering continuing educational activities. All entries are followed by names of persons to contact for further information. Appendices include directories of national professional organizations, companies with field courses, and colleges offering correspondence courses. (RS)