Including: 3 letters, 1914, to Dr Cooke re treatment of individual patients; letters re treatment of various patients including schoolchildren, 1916-18 and 1927; letters to F Shillington Scales from Watson and Sons (Electro-Medical) Ltd re supply of light anode tubes; letter from Secretary-Superintendent (W H Head) 1936 re Addenbrooke's Christmas Fund; letter from Secretary-Superintendent (J A Beardsall) 1938 re annual subscriptions; letter from J A Beardsall, 1948, re arrangements for "abnormal maternity work" to be carried to be undertaken at Mill Road.