1. Annual Reports, Kerala State Co-operative Bank Ltd, 1993-94 to 2004-05.
2. Balan T.S, Co-operation– Principles and Practice vol. 11, West Offset Printers, Thrissur, Kerala.
3. Hough EM, the Co-operative Movement in India, Oxford University Press, London, 1966.
4. Bedi R.D, History and Practice of Co-operation, Royal Book Depot,1966.