The ancient geography of India I. The Buddhist period, including the campaigns of Alexander, and the travels of Hwen-Thsang Alexander Cunningham London: Trubner and Co, 1871
The early history of India from 600 BC to the Muhammadan Conquest including the invasion of Alexander the Great Vincent Arthur Smith Oxford: Clarendon Press, 1904
Memoirs of Zehir ed-din Muhammed Babur Emperor of Hindustan written by himself, in the Chaghatai Turki and translated by John Leyden, M D and William Erskine annotated and revised by Sir Lucas King Oxford University Press, Vol 1, 1921
Memoirs of Zehir ed-din Muhammed Babur Emperor of Hindustan written by himself, in the Chaghatai Turki and translated by John Leyden, M D and William Erskine annotated and revised by Sir Lucas King Oxford University Press, Vol 2, 1921
Report on the topography of Baluchistan and the possible approaches into India from Afghanistan and Persia Lt-Col J M Calvert, Maj M E H Linton, Maj M J Filby General Staff India, Dec 1946 Restricted