1
by Stevens, John, 1947-
Published 1993
2
3
by Marshall, David V
Published 1995
4
Published 2002
5
Published 2002
6
by Katz
Published 2003
7
by Hill
Published 2003
8
by McGregor
Published 1996
9
Published 1969
10
Published 1969
11
Published 1961
12
by Black
Published 1968
13
14
Published 1959
15
16
Published 2002
17
by Lee, Kuan Yew, 1923-
Published 2013
18
by Cherry
Published 1987
19
Published 1980
20
by Onoda
Published 1975