1
Published 1982
2
by Hobert, Ingfried
Published 2001
3
by Simon, Lori A
Published 2005
4
5
6
by Holder, Katy
Published 2005
7
8
9
by Covey, Stephen R.
Published 2002
10
by Palmer, Isabelle
Published 2014
11
by Wood, Robert A.
Published 2007
12
by Cannon, Christopher P.
Published 2014
13
14
15
by Osumi Yasuo
Published 1979
16
17
by Ulrich, Dave
Published 2005
18
by Cane, Peter Du
Published 1951
19
20
by Ladew, Donald P.
Published 2006