Alexander John Arbuthnot,
Dictionary of National Biography
(1901)
“ On 15 May 1858 the Madras government recorded their opinion of his work on the Godávery in the following words: 'If we have done our duty and have founded a system which will be a source of strength and wealth and credit to us as a nation, it is due to one master mind, which, with admirable industry and perseverance, in spite of every discouragement, has worked out this great result. Other able and devoted officers have caught Colonel Cotton's spirit, and have rendered invaluable aid under his advice and direction ”
