- Proc. R.G.S., 1887; Henry Lansdell, Through Central Asia (London, 1887); Archibald Colquhoun, Report on Railway Connexion between Burma and China (London, 1887); Major C. Yate, Northern Afghanistan (Edinburgh, 1888); Captain F.
- Lansdell, The Russians at Mery and Herat (London, 1883).
- Lansdell (1906).
- It was again visited by Dr Lansdell in 1888, and by Dr Aurel Stein in 1906.
- Lansdell, Russian Central Asia (London, 1885); E.