1
2
by Rispler-Chaim
Published 1993
3
Published 1995
4
by Boylan
Published 2002
5
by Lakin
Published 1988
6
by Hench
Published 2001
7
by Beauchamp
Published 1994
8
by غلوش
Published 1987
9
by Petrick
Published 1997
10
by Winston
Published 2003
11
by Blanchard
Published 1988
12
by Hartle
Published 2004
13
by Pojman
Published 2000
14
by Meilaender
Published 2005
15
Published 2006
16
by Henderson
Published 1992
17
by Adair
Published 1980
18
by Elfstrom
Published 1991
19
Published 1990
20
Published 1992