2022. ?? ????????? ? ? ????&Quot; [&Quot;On Values And On The Price&Quot;]. Foreword To Vol. 3 Of The 6-Volume Edition Of Georgy Demidov'S Works?. In ?????? ?? ??????? ?????????? (???????? ????????? ??????? ???????? ? 6-?? ?????), 3:Pp. 10-16. Moscow: Gulag History Museum / Ivan Limbach.