1
by Gardner
Published 2006
2
by Cox
Published 2007
3
by Feltz
Published 2008
4
by Kerr
Published 2001
5
Published 1999
6
7
by Sheard
Published 2013
8
by Mujika
Published 2009
9
by Walker
Published 2017
10
Published 1995
11
by Griffith
Published 1999
12
Published 1996
13
by Arnheim
Published 1985
14
by Clarkeson
Published 1999
15
by Goldberg
Published 1997
16
by Kauss
Published 2001
17
by Jackson
Published 1999
18
Published 2000
19
by Kauss
Published 2001
20
Published 1995