Geological Survey of India Bulletins Series A: Economic Geology, 1. Preliminary report on coal suitable for the manufacture of synthetic petroleum. A. B. Dutt and others. 1950
Geological Survey of India Bulletins Series A: Economic Geology, 3. Report on glass-making sands in parts of Vindhya Pradesh, Uttar Pradesh and Rajasthan. D.R.S. Mehta. 1951
Geological Survey of India Bulletins Series A: Economic Geology, 2. Limestone deposits of the Son Valley, Mirsapur District, U.P., and their suitability for cement and carbide. M. Nath. 1951