1
by شيخاني
Published 1991
2
by Koch
Published 2006
3
4
by بن نبي
Published 1991
5
6
by Broers
Published 2005
7
by Boorstin
Published 1983
8
9
10
by Boorstin
Published 1993
11
12
by Wallace-Murphy
Published 2006
13
14
by Lipson
Published 1993
15
by Watt
Published 1995
16
by Schuon
Published 1984
17
by Tainter
Published 1988
18
19
Published 1991
20