1
Published 1988
2
by Guth, David W.
Published 2003
3
by Halbert, Terry
Published 2002
4
by Reynolds, George
Published 2003
5
by Winston, Morton
Published 2003
6
by Loland, Sigmun
Published 2001
7
8
by Harper, Kenn
Published 2000
9
10
Published 1998
11
Published 1999
12
by Gay, Paul Du
Published 2000
13
by Clason, George S.
Published 1997
14
15
by Kidder, Rushworth M.
Published 1995
16
by Suzuki, David
Published 1989
17
by Pojman, Louis P.
Published 2000
18
by Keeva, Steven
Published 1999
19
by Agar, Nicholas
Published 2002
20