1
Published 2007
2
by Chittick
Published 2005
3
Published 2008
4
Published 2008
5
Published 2008
6
Published 1980
7
by Palmer
Published 2008
8
by Landau
Published 2008
9
by Corbin
Published 2008
10
by Abun-Nasr
Published 2007
11
12
by Field
Published 1910
13
14
by Corbin
Published 1998
15
Published 1988
16
by Nasr
Published 2002
17
18
19
20