21
Published 2000
22
Published 1997
23
by Thussu, Daya Kishan.
Published 2000
24
by Bleiker, Roland.
Published 2000
25
by Shaw, R. Danie, 1943-
Published 1996
26
27
by Gass, Robert H.
Published 2003
28
29
by Beres, Louis Rene.
Published 1987
30
Published 1980
31
Published 1998
32
by Lyons, Dan, 1930-
Published 2000
33
34
by Baker, Gideon, 1973-
Published 2002
35
by Choudhury, G. W, 1926-
Published 1993
36
by Amin, Mohamed, 1943-
Published 1978
37
by Sleeper, Jim.
Published 1990
38
Published 1990
39
by Dye, Thomas R.
Published 1986
40