This resource guide provides information on organizations, publications, legislation, and other resources relating to autism. Sections include: (1) commonly used disability acronyms and definitions; (2) the educational definition of autism; (3) the medical definition of autism; (4) special education offices and special services of the Missouri Department of Elementary and Secondary Education; (5) contacts for understanding educational rights; (6) other resources and information about educational services; (7) the Missouri Department of Mental Health and the services it provides; (8) the Missouri Parents Act; (9) the Missouri Protection and Advocacy Services; (10) parent/professional organizations; (11) libraries and information resources; (12) autism resources on the Internet; (13) autism organizations; (14) local chapters of the Autism Society of America and support groups; (15) nonprofit organizations with associated resources; (16) technology resources; (17) diagnostic clinics; (18) guidelines for evaluating intervention programs for autism; (19) services, treatments, and therapies, including animal therapy, applied behavioral analysis, auditory integration, behavior therapy, dietary therapy, instructional strategies, music therapy, occupational therapy, positive behavior supports, play therapy, sensory integration, speech/language therapy, special education, vision therapy, and vitamin therapy; (20) newsletters and publications on autism; and (21) a Missouri interagency agreement on agency cooperation. (CR)