1
by Lee
Published 1978
2
by Lee Kuan Yew
Published 1961
3
by Lee Kuan Yew
Published 1961
4
by Kok Koun Chin
Published 1988
5
by Solomon
Published 1996
6
7
by Minchin
Published 1986
8
by Josey
Published 1969
9
Published 1983
10
by Nicol
Published 1977
11
12
Published 1990
13
Published 1986
14
by Dumarcay
Published 1998
15
16
by Jayapal
Published 1992
17
18
Published 1961
19
by Ma
Published 1968
20
by Wilson
Published 1958