On the precautionary measures that were taken were Permian plants during Pugachevsky Bunt [in 1774]

Planer, Dmitry Ivanovich (1820-1882).About precautionary measures that were taken by Permian plants during Pugachev Bunt [in 1774] / [OP.] D.I.Planer, housing Mountain.Ing.Lieutenk .... - Moscow, 1859. -25 p.;23 cm. -OTT.from "Permsk. Sat"kn.1. M., 1859.1. People (collection).Electronic Source: PBPlace of Storage Original: Sverdlovsk regionLocal Lore Museum