Balfour, E. (1985). Cyclopedia of India and of eastern and southern asia, commercial, industrial and scientific V.II D-I: Products of the mineral vegetable and animal kingdoms, useful arts and manufactures (2.). International book distributors.

Balfour, Edward. Cyclopedia of India and of Eastern and Southern Asia, Commercial, Industrial and Scientific V.II D-I: Products of the Mineral Vegetable and Animal Kingdoms, Useful Arts and Manufactures. 2. Dehradun: International book distributors, 1985.

Balfour, Edward. Cyclopedia of India and of Eastern and Southern Asia, Commercial, Industrial and Scientific V.II D-I: Products of the Mineral Vegetable and Animal Kingdoms, Useful Arts and Manufactures. 2. International book distributors, 1985.