History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c23.s6.18

¹⁶ Wilson, pp.168-178; Gazeteer of Kashmir and Ladak reprint 1974, pp. 69-74; Khan, p.232; Khushi Mohammad, p.181; Barker p.318; Carroll, pp.25-26.