Organizational records (correspondence, financial papers, legal papers, documentation of conferences and other meetings, membership files, reports, task force and committee papers, and printed material) of the Commission of Professors of Adult Education. Correspondents whose letters are of greatest depth and duration include Robert A. Carlson, Mary Jane Even, William Griffith, Cyril Orvin Houle, Roy John Ingham, Malcolm Shepherd Knowles, Alan Boyd Knox, Howard McClusky, Wayne Schroeder and Wilson B. Thiede. Also present are subject files for organizations including the Adult Education Association, the American Association for Adult and Continuing Education, the Association of University Evening Colleges, the Center for the Study of Liberal Education for Adults, the National Association for Public and Continuing Education, and the National University Extension Association. There are also general and regional printed materials as well as some audio-visual materials (film, slides, and tape recordings).