41
by Ahuja, Pramila
Published 1997
42
Published 1992
43
by Miller, Richard Brian, 1953-
Published 1991
44
by Yate, Martin John
Published 1990
45
Published 1991
46
by Warner, Daniel
Published 1991
47
Published 1985
48
by Gueldon, Marlane
Published 1995
49
by Chu, Chin-Ning
Published 1994
50
by Whiteside, Robert L.
Published 1991
51
Published 1994
52
by Kennedy, Gavin
Published 1989
53
by Nino, Carlos Santiago
Published 1993
54
Published 1992
55
56
by Ury, William
Published 1991
57
by Day, Louis A.
Published 1997
58
59
by White, Carol
Published 1990
60
by Scriven, Michael, 1947-
Published 1993