1
by Khoo
Published 1991
2
Published 2004
3
4
Published 1901
5
6
Published 1992
7
8
by Liu, 1963-
Published 2004
9
10
by Algar
Published 2001
11
12
13
14
by Ali
Published 2011
15
by Biran
Published 2007
16
by Berg
Published 2013
17
by Humphreys
Published 2012
18
by Muhammad Qasim Zaman
Published 2008
19
by Khaled Fahmy
Published 2008
20
by Cobb
Published 2005