Includes: papers on cavalry training and administration; correspondence and notes on Sikh troubles in the Indian Army; personal letters to Corbett on his promotions and appointments; notes on a mechanized car regiment; Corbett's evidence to the Expert Committee on the defence of India, 1938-39; Corbett's papers while Brigadier in command of the Sialkot Area on subjects including organization of the Indian Armoured Brigade and modernization of the Indian Army.