61
by Richards P.D.
Published 1994
62
by Cowie, H.R.
Published 1993
63
64
Published 1972
65
by Eccleston, Bernald
Published 1989
66
by Jian, Bozan
Published 1986
67
by Jen Yu-wen
Published 1973
68
by Marwick, Arthur
Published 1993
69
by Lapidus, Ira M.
Published 1993
70
71
72
Published 1972
73
by Khoo Su Nin
Published 1993
74
75
by Ferguson, Douglas.
Published 1987
76
Published 1996
77
Published 1992
78
by Ward, Harriet
Published 1990
79
by Guillen-Nu?nez, Cesar.
Published 1984
80
by Fitzgerald, Shirley.
Published 1992