Bengal Industries Department Bulletin, No 60 Oil of nahor seed and its application in the manufacture of grained soap. R L Datta, T Basu & P K Ghose. 1933
Bengal Industries Department Bulletin, No 62 Theory of detergency and the development of maximum cleansing power in washing soap. R L Datta & S S Das Gupta. 1934
Bengal Industries Department Bulletin, No 64 On the part played by individual fatty acid soaps in the development of optimum detergency in washing soap. R L Datta & S S Das Gupta. 1935