The bibliography lists references to literature on the profoundly and severely mentally retarded as an aid for people working with this level of retardate. Medical literature is not included. Citations are listed under one of the 15 following categories: broad aspects, community programs, conditioning, education, institutional services and residential hall programs, language and speech and hearing, mental processes and psychodiagnostics, parents and family, physical development, planning and legislation, professional services, recreation, self-help and practical skills, social and emotional development, and vocational habilitation and rehabilitation. (KW)