Gazetteer of the North-West Frontier, from Bajour and the Indus Kohistan on the north to the Mari Hills on the south. Lt-Col Charles Metcalfe MacGregor 1883. Simla: Intelligence Branch QMG's Dept, 1886-87.
A study of the existing strategical conditions on the North-West Frontier of India. Simla: GSI, 1909-12. 5 parts: Pt 1 - The geographical conditions; Appendix to Pt 1; Pt 2 - The development of military strength by nations concerned; Pt 3 - Tables and appendices; Pt 4 - Oversea reinforcements for India.