The Nuttall Encyclopedia
A strongly fortified town in the N. of Beluchistan, commanding the Bolan Pass, and occupied by a British garrison. It is also a health resort from the temperate climate it enjoys.
Wood, James, ed. Entry for 'Quetta'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/q/quetta.html. Frederick Warne & Co Ltd. London. 1900.