1
2
Published 1974
3
by Hinde, Robert
Published 2003
4
Published 1998
5
Published 1992
6
Published 2003
7
8
Published 2000
9
Published 1980
10
Published 1991
11
Published 2004
12
Published 2008
13
14
by Sobek, David
Published 2009
15
Published 2003
16
by Wormuth, Francis Dunham, 1909-
Published 1989
17
18
by Ferguson, Niall
Published 2006
19
20
Published 1991