Viktor Nikolaevich Korguev, engineer of the communication routes of 1886 issue: Autobiography In Russian (ask us if in doubt)./Viktor Nikolaevich Korguev, inzhener putey soobshcheniya vypuska 1886 g.: Avtobiografiya 1886-1911 St. Petersburg: Typography by Y.N. Ehrlich 1911. 2, 3 p. SKUalb9f1721a1f7b18496.