21
by Crick, Bernard R.
Published 1990
22
by Genovese, Michael A.
Published 1993
23
by Kedourie, Elie.
Published 1992
24
25
26
27
28
29
by Sakwa, Richard.
Published 1993
30
by Shafritz, Jay M.
Published 1988
31
32
by Cameron, Charles M, 1954-
Published 2000
33
by Jones, Mervyn.
Published 1994
34
35
Published 2002
36
Published 2000
37
38
by Cook, Chris, 1945-
Published 1994
39
40
Published 1999