81
by Mullins
Published 2006
82
by Chiras
Published 2005
83
by LeBoeuf
Published 2001
84
85
by Mayo
Published 2001
86
87
by Herman
Published 2005
88
by De Bono
Published 1991
89
by Barjoyai Bardai
Published 2000
90
by Barjoyai Bardai
Published 2000
91
Published 1991
92
by Khoo Kheng-Hor
Published 1992
93
by Md. Zhahir Kechot
Published 2000
94
Published 1993
95
by Casserley
Published 1993
96
by Genua
Published 1992
97
by Coulson-Thomas
Published 1992
98
by Deresky
Published 1994
99
by Bygrave
Published 1994
100
by Drucker, 1909-
Published 1990