1
by Slot
Published 1991
2
by Dow
Published 2006
3
by O'Brien, 1959-
Published 2007
4
by Smith, 1951-
Published 2008
5
6
by Roolvink
Published 2008
7
Published 1988
8
by Collcutt
Published 1988
9
10
by McEvedy
Published 1980
11
by Gilbert, 1936-
Published 1993
12
by Boyd, 1920-
Published 1991
13
Published 1989
14
by Farrington
Published 2002
15
by Griffiths
Published 1994
16
by Middleton
Published 1989
17
by Rogers
Published 1990
18
by Wood
Published 1990
19
by Boyd
Published 1992
20
by Kurian
Published 1992