61
by Ageloff, Roy, 1943-
Published 1980
62
Published 1995
63
by Tessensohn, Denyse
Published 1992
64
Published 1999
65
by Hunter, Robert Edwards, 1940-
Published 1969
66
Published 1979
67
by Fung, D. Y. K.
Published 1999
68
by De Bono, Edward, 1933-
Published 1993
69
70
by Hall, Derek R.
Published 1994
71
by Stoessinger, John G.
Published 1965
72
Published 1977
73
Published 1992
74
by Samsudin Wahab
Published 2006
75
by Doi, 'Abdur Rahman I.
Published 1992
76
by Rao, H.S. Gururaj
Published 1967
77
Published 1986
78
by Brzezinski, Zbigniew K, 1928-
Published 1967
79
Published 2003
80
by Zakry Abadi, 1941-
Published 1991