1
Published 1994
2
Published 1993
3
Published 1998
4
by Brack, Duncan
Published 1996
5
by Masson, Paul R.
Published 1990
6
Published 2001
7
Published 1992
8
by Anderson, Sarah
Published 2000
9
Published 1996
10
Published 1996
11
Published 2000
12
by McMurtry, John, 1939-
Published 2002
13
14
Published 1989
15
by Lanjouw, G.J.
Published 1995
16
17
18
Published 1998
19
by Korber, Achim
Published 2000
20
by Houtte, Hans Van
Published 1995