Vision on assistive technology : a guide for the blind and visually impaired and their assistants /

Eitemau Tebyg

• Handbook on mobility maps /
  gan: James, G. A.
  Cyhoeddwyd: (1976)
• Evaluation of mobility aids for the blind; proceedings of a conference, June 22-23, 1970, Airlie House, Warrenton, Virginia. Patrick W. Nye, editor.
  Cyhoeddwyd: (1971)
• Self-help devices for rehabilitation part two : A co-operative service project made possible /
  Cyhoeddwyd: (1965)
• Aids to independence : drawings and instructions for making aids and overcoming handicaps.
  Cyhoeddwyd: (1980)
• COPING WITH DISABLEMENT; EDITED BY E. RUDINGER.