1
Published 2007
2
by Jung
Published 2008
3
by Feagin
Published 1978
4
Published 1992
5
6
by Edgington
Published 1982
7
Published 2008
8
by Banton
Published 1985
9
10
11
12
13
Published 1992
14
by Waters
Published 1990
15
16
Published 1993
17
18
by Edwards
Published 1995
19
by Thornberry
Published 1991
20