Afghan Boundary Commission: Records of Intelligence Party, vol II: Diary of Major Maitland, with notes on the population and resources of the districts visited, 1884 to 1887
Afghan Boundary Commission: Records of Intelligence Party, vol IV: Reports on tribes, namely Sarik Turkomans, Chahar Aimak Tribes and Hazaras, by Lieut-Col P J Maitland
Turkey in Asia and Persia, Section I and Sections II and III: Reconnaissances in Mesopotamia, Armenia, Kurdistan and Azarbaijan in 1885-86 by Lieut-Col Mark S Bell ... forming Appendix I to Central Asia part V and Routes in Central Asia Section I Dated as: 1888, 1889