Bhattacharya, Sabyasachi. 2015. Regional Economy (1757-1857): Eastern India. In Cambridge Economic History of India, vol. 2, ed. Dharma Kumar, 270-331. New Delhi: Orient Longman Pvt. Ltd. p.270
The Concise Orient Longman Atlas. 2006. New Update Edition. Hyderabad: Orient Longman Pvt. Ltd. p.7a
Balden, William A., Karan, P.P. 1977. Environmental Pollution and its Perception in the Calcutta – Hooghlyside Area. In Indian Urbanization and Planning: Vehicles of Modernization, ed. Allen G. Noble and Ashok K. Dutta, 281-293. New Delhi: Tata McGraw-Hill Publishing Company Ltd. p.281