The North-West Frontier of India [porposals from the Viceroy concerning (1) the occupation of Waziristan (2) the reorganisation of the frontier militias (3) the occupation of the Khyber Pass and construction of a railway]. E S Montagu, 30 Apr 1920
Difficulties which may present themselves in the settlement of the frontier line from Zulfikar by Ak Robat Tchemen-i-bid to north of Maruchuk. Maj-Gen P S Lumsden, 1 Jul 1885