Fedorovsky, V. A. The commandments of the farmer of Western Siberia / V. A. Fedorovsky.- M .: Gosizdat, 1925

Fedorovsky, V. A. The commandments of the farmer of Western Siberia / V. A. Fedorovsky.- M .: Gosizdat, 1925 / Fedorovsky, V.A. - 1925. -.Electronic copy source: Tyumen INB