Teacher Ivan Singilevsky.A brief outline of the Zakamsky Territory of the Kazan province.

Teacher Ivan Singilevsky.A brief outline of the Zakamsky Territory of the Kazan province.- 0. -Agreement No. 24 of 02/12/2016 category 14 of the manuscript of the works of members of the Russian Geographical Society and separate documents on the Yekaterinoslav province, case 83..Electronic copy source: PB