TransliterationVitevskiy, V.N. I.I. Neplyuev i Orenburgskiy kray v prezhnem ego sostave do 1758 g.: Istoricheskaya monografiya. T. 1-3.
In EnglishVitevsky, V.N. I. Nepluev and the Orenburg Krai in its former composition until 1758: Historical Monograph, Vol. 1-3. In Russian
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