1
2
3
4
5
6
Published in Archives and manuscript repositories in the USSR
(1972)
Book
7
8
9
by Barnes, Steven A.
Published 2011
Published 2011
Book
10
11
12
by Heller, Daniel Kupfert
Published 2017
Published 2017
Book
13
Published in Archives and manuscript repositories in the USSR
(1976)
Book
14
by Manekin, Rachel
Published 2020
Published 2020
Book
15