North Caroline State University. Department of Adult and Community College Education(North Caroline State University, Department of Adult and Community College Education,, 1973-)
George Washington University. School of Education and Human Development(George Washington University, School of Education and Human Development,, 1972-)
United States. Office of Educational Research and Improvement; National Institute of Education (U.S.); Educational Resources Information Center (U.S.)(Dept. of Health, Education and welfare, National Institute of Education,, 1977-)