The Chapter on Trench Foot  From the History of the Great War, Based on Official Documents, Medical Services, Surgery of the War, Volume 1.  Edited by Major General Sir W. G. MacPherson, KCMG. CB. LL.D. 1922

An extract from 'War Surgery'    This extract is from a 1916 book written by the American Surgeon, Dr D. Penhallow