41
42
by Smith
Published 1964
43
by Lewin
Published 1973
44
Published 2007
45
by Beggs-Humphreys
Published 1962
46
by Maitland
Published 1961
47
by Chrimes
Published 1948
48
by Keith
Published 1924
49
by Madden
Published 1953
50
by Baker
Published 1961
51
by Longford
Published 1974
52
by Broad
Published 1963
53
by Churchill
Published 1967
54
by Churchill
Published 1959
55
by Coolidge
Published 1960
56
by Macmillan
Published 1973
57
Published 1961
58
by Terraine
Published 1980
59
by Jenkins
Published 2008
60
by Barber
Published 2008