1
Published 2007
2
by Horton
Published 2007
3
by Smith
Published 2001
4
by Midgley
Published 2002
5
by Ruse
Published 2005
6
Published 2007
7
Published 2006
8
Published 2005
9
by Vernon
Published 2007
10
11
12
by Altaie
Published 2016
13
by Nasr
Published 1993
14
by Stanesby
Published 1988
15
16
by Brooke
Published 1991
17
by Dampier
Published 1993
18
by Polkinghorne, 1930-
Published 2005
19
by McGrath
Published 1999
20
Published 1993