TY JOUR TI CHANGES IN THE SOCIAL STRUCTURE OF THE PEASANT POPULATION OF THE KURSK REGION (1917-1920S) KW society KW population KW structure KW society KW peasantry KW changes JO Advances in Law Studies AU Shepeleva, M.P. AU Pen'kova, A.N. PY 2020 IS 8 PB Publishing Center RIOR