41
by Starke, J. G.
Published 1989
42
Published 2006
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43
Published 1981
44
45
by Cabanellas, Guillermo
Published 1991
46
Published 1985
47
48
by Rosenau, James N.
Published 2006
49
Published 1992
50
by Qasim Ahmad
Published 1991
51
52
Published 2006
53
54
Published 1992
55
Published 1992
56
by Chay, Peter
Published 1989
57
by Thompson, Mark R.
Published 2004
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58
59
Published 1992
60
Published 1993