41
42
Published 1981
43
by Bogaars
Published 1956
44
Published 2002
45
by Nelson
Published 1974
46
Published 1773
47
by Simson
Published 1970
48
Published 1963
49
by Smyth
Published 1971
50
by Turnbull
Published 1977
51
by Braddell
Published 1947
52
by Buckley
Published 1965
53
by Hancock
Published 1986
54
Published 1996
55
by Mant
Published 1992
56
57
by Lewis
Published 1992
58
by Lewis
Published 1984
59
by Chen Mong Hock
Published 1967
60
by Chen-Tung Chang
Published 1974