1
Published 2005
2
by Cunningham, 1961-
Published 2008
3
by Cunningham
Published 2008
4
5
6
by Geisler
Published 1989
7
Published 1996
8
by Cronin
Published 1992
9
by Meilaender
Published 2005
10
by Gill
Published 2006
11
by Jung
Published 2003
12
by Pope
Published 2007
13
Published 2000
14
by Woods
Published 1966
15
by Cook
Published 2006
16
by Grant
Published 2001
17
by Rudman
Published 1997
18
by Gardner
Published 1995
19
by Mitchell
Published 2007
20
by Miller
Published 2012