1. Wheeler G., The peoples of Soviet Central Asia (London; The Bodley Head, 1969), p. 93
2. Sham-ud-din, Secularisation in the USSR (Delhi; Vikas Publishing House, 1982), p. 82
3. Bacon Elizabeth E., Central Asians Under Russians Rule (New York, Ithaka; Cornell University Press, 1966), p. 67
4. Pierce Richard D., Russian Central Asia, 1867-1917 (Berkeley and Los Angeles; University of California Press, 1960), p. 12