Atlas of Lower Limb Orthotic Practice 
by Condie and Turner
Published by Chapman & Hall  January 1997
ISBN: 0412727706 
The informative book on leg orthotics with brace images, many in colour.

Orthotics - Clinical Practice and Rehabilitation Technology 
by John B. Redford.

Orthotics Etcetera 
by Sidney Licht, Elisabeth Licht, 1966. 
The second edition, by John Redford (1980), has several pictures of braces.

Orthopaedic Splints and Appliances 
by Joan M. Kennedy 
Published by Bailliere Tindall, London (1974) 
ISBN: 0 7020 0469 3

Orthopaedic Nursing 
Nurses Aid Series (NAS), UK 
Describes the nursing management of various physical disabilities. Many illustrations of leg-braces and other orthotic devices.