1
Published 1990
2
by Van Rooyen, Johann
Published 1994
3
by Bunch, Will.
Published 2010
4
by Callinicos, Alex
Published 2003
5
by Prell, Michael.
Published 2011
6
7
8
Published 1990
9
by Fleming, Bruce
Published 2006
10
by Regnery, Alfred S, 1942-
Published 2008
11
Published 2005
12
Published 2005
13
14
by Weiss, John, 1927-
Published 1977
15
by Evans, Eric J, 1945-
Published 1997
16
by Denham, Andrew
Published 1996
17
Published 1991
18
by Wilson, Francis Graham, 1901-
Published 1990
19
by Goldwater, Barry M, 1909-
Published 1990
20
by Levin, Michael, 1940-
Published 1992