Decree of the office of his imperial majesty with a resolution on recognition of the merits of I.I.Polzunov in the invention of a steam machine (UD No. 2).1763.
Surgut print of personal press I.I.Polzunov under the verdict of the military court ("maxim" ) in the military-court case of Berggeshworen V. Beer (UD No. 5).1764.
Order of the Chancellery of the Kolyvano-Voskresensky mountain authorities on the consideration of the project of the steam machine I.I.Rolzunov (UD No. 3).1764.
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