1. National Research & Training Center on Blindness & Low Vision, Mississippi State University, 158 Industrial Education Building, P.O. Box 6189, Mississippi State, MS 39762
2. Psychology Department, University of Mobile, 5735 College Parkway, Mobile, AL 36613
3. National Research & Training Center on Blindness & Low Vision, Mississippi State University, 108 Herbert South, Mississippi State, MS 39762