Survey of the rural service needs of parents and their adult children with mental retardation, 190 - 01 - 04 - LD1017 .C8133 1993 V6, Volume: Archives LD1017 .C8133 1993 V6. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/412 Accessed April 25, 2025.