1
by Mukhina, Irina
Published 2007
Book
2
by Harris, Chauncy D.
Published 1970
Book
3
Published 1992
Book
5
by Bougai, Nikloai
Published 1996
Book
6
Published 1965
Map
7
by Friesen, Leonard G.
Published 2022
Book
9
by Taagepera, Rein
Published 1984
Book
10
Book
11
Book
12
by Davies, Franziska
Published 2015
Book
13
Published 2017
Book
14
by Lohr, Eric
Published 2012
Book
15
Published in Post-Soviet puzzles (1995)
Book
16
17
18
by Ronellenfitsch, Ulrich
Published 2007
Book
19
Book
20
by Keep, John L. H.
Published 1996
Book