21
by Khasbulatov, R. I
Published 1993
22
23
by Rubinstein, Alvin Z.
Published 1989
24
Published 1990
25
Published 1985
26
27
28
by Nahaylo, Bohdan.
Published 1990
29
by Eklof, Ben, 1946-
Published 1989
30
31
by Hopkirk, Peter
Published 1994
32
by Riasanovsky, Nicholas V, 1923-
Published 1999
33
Published 1980
34
by Byrnes, Robert Francis
Published 1989
35
by Sakwa, Richard
Published 1990
36
Published 1981
37
by Tompson, William
Published 2003
38
by Kerblay, Basile H.
Published 1983
39
by Light, Margot
Published 1988
40
by Rubinstein, Alvin Z.
Published 1977