Bellew, Henry W. (1874) From the Indus to the Tigris: a narrative of a journey through the countries of Balochistan, Afghanistan, Khorassan and Iran, in 1872, together with a synoptical grammar and vocabulary of the Brahoe language, and a record of the meteorological observations and altitudes on the march from the Indus to the Tigris. London: Trübner & Co.