1
by Nino, Carlos Santiago
Published 1993
2
by Thiroux,Jacques
Published 1998
3
by Wilson, James Q.
Published 1993
4
by Williams,Bernard
Published 1985
5
by Spaemann, Robert
Published 1989
6
by Frankena, William K.
Published 1973
7
by MacKinnon, Barbara.
Published 2000
8
9
10
by Singer, Peter.
Published 1993
11
by Quinn J. Michael
Published 2017
12