1
2
3
4
5
6
Published in Transformation on the Southern Ukrainian steppe
(2020)
Book
7
Published in Transformation on the Southern Ukrainian steppe
(2015)
Book
8
9
10
11
12
14
15
16
17
18
by Friesen, Abram Johann
Published 1995
Published 1995
Book
19
by Fehr, Helmut
Published 2016
Published 2016
Book
20