1
by Ahmed
Published 2002
2
3
by Briggs
Published 1990
4
by Ahmed
Published 2002
5
by al-Murabit
Published 1988
6
7
by Ferrell
Published 1993
8
by Reiss
Published 1992
9
by Waller
Published 1994
10
Published 1994
11
by Unger, Irwin
Published 1989
12
by Goldman
Published 2011