Sotnikov.Professional education.Code of decisions of the Chernigov Provincial Zemstvo Assembly.III.

Sotnikov.Professional education.Code of decisions of the Chernigov Provincial Zemstvo Assembly.III.- -.-1883-1899 Agreement No. 24 of 02/12/2016 category 46 of the manuscript of the works of members of the Russian Geographical Society and individual documents in the Chernihiv province, case 46..Electronic copy source: PB