1. Department of Psychology, Elon University, 2337 Campus Box, Elon, NC 27244-2010.
2. Accessible Design for the Blind, 25 Village Lane, Berlin, MA 01503.
3. Accessible Design for the Blind, 3 Manila Street, Asheville, NC 28806.
4. Department of Blindness and Low Vision Studies, Western Michigan University, 1903 West Michigan Avenue, Mailstop 5218, Kalamazoo, MI 49008–5218.
5. Graham Rehabilitation Services, 2298 Hidden Knoll Court, SE, Caledonia, MI 49316.