H. Sastrī’s Rāmacārita, Introduction, p. 7 (ASB. Memoirs).

Cunningham’s Ancient India, vol. i.

Beal’s Buddhist Records, i, xxxiv, and cii, 91.

Leech’s Vocabularies, JASB., 1838.

The writings of Masson (Travels and Ariana Antiqua), Wood, Vigne, etc.

Raverty’s T̤abaqāt-i-nāsirī.

Jarrett’s Āyīn-i-akbarī.

P.R.G.S. for maps, 1879; Macnair on the Kafirs, 1884; Tanner’s On the Chugānī and neighbouring tribes of Kāfiristān, 1881.

Simpson’s Nagarahāra, JASB., xiii.