1
by Daniel
Published 1960
2
by Van Gorder
Published 2008
3
by Abu-Fadl
Published 1992
4
by Watt
Published 2008
5
Published 1994
6
by Lewis
Published 2008
7
Published 2006
8
Published 2006
9
Published 2006
10
by Smith
Published 2007
11
by Sayeed
Published 1995
12
13
Published 1998
14
Published 2007
15
by McAmis
Published 2002
16
by Karabell
Published 2007
17
by Maqsood
Published 2000
18
by Powell
Published 1993
19
by Southern, 1912-
Published 1978
20
by Upaddhay
Published 1999