1
2
Published 1994
3
Published 2003
4
Published 1999
5
Published 2000
6
Published 1999
7
by Tvedten, Inge
Published 1997
8
by Stone, Martin
Published 1997
9
by Spinner, Thomas J.
Published 1984
10
Published 2000
11
Published 1999
12
Published 2003
13
Published 2001
14
by McGibbon, Rodd
Published 2004
15
Published 1995
16
Published 1991
17
Published 1994
18
Published 1991
19
by Ford, Glyn
Published 2008
20
Published 2010