Secret collection of geographical, topographical and statistical material concerning Asia. Vol LXXIX. Eastern Bokhara. A military and geographical description. By Lt-Col Snyesaref, Russian General Staff Translated in Intelligence Branch, Division of Chief of Staff. 1906 Simla: Intelligence Branch, Division of Chief of Staff, 1909
Transkaspien und seine Eisenbahn. Nach Acten des Erbauers Generallieutenant M Annenkow bearbeitet von Dr O Heyfelder Hannover: Helwingsche Verlagsbuchhandlung, 1888