1
Published 1992
2
Published 1995
3
4
by Halliday
Published 1992
5
by Israeli
Published 2008
6
by Swirski
Published 1989
7
8
by Kaplan
Published 1992
9
by Gunter
Published 1992
10
by Laizer
Published 1996
11
by Benson
Published 1990
12
by Weiner
Published 1994
13
Published 2007
14
by Bringa
Published 1995
15
Published 1993
16
17
by Izady
Published 1992
18
19
Published 2001
20
by Gladney
Published 1991