Hizhnyakov.Professional education.Code of decisions of the Chernigov Provincial Zemstvo Assembly.Volume one.

Hizhnyakov.Professional education.Code of decisions of the Chernigov Provincial Zemstvo Assembly.Volume one.- -.-1900-1909 Agreement No. 24 of 02/12/2016 Grade 46 of the manuscript of the works of members of the Russian Geographical Society and separate documents in the Chernihiv province, case 47..Electronic copy source: PB