1. Texas Tech University, and vision resource teacher, York Regional Board of Education, 300 Harry Walker Parkway South, Newmarket, ON LBY 8E2, Canada
2. Department of Educational Psychology and Leadership, Texas Tech University, Box 41071, Lubbock, TX 79409-1071
3. Texas Commission for the Blind, 5129 69th Street, Lubbock, TX 79424.