21
by Sivalingam, G.
Published 2005
22
Published 2004
23
by Hua, Wu Yin
Published 1983
24
Published 1996
25
by Hill, Hal
Published 1999
26
by Staley, Eugene
Published 1954
27
Published 1998
28
by Kunio, Yoshihara
Published 2002
29
30
by Kagarlitsky, Boris, 1958-
Published 2000
31
Published 1992
32
by St. John, Ronald Bruce
Published 2006
33
by Wall, Derek
Published 2005
34
Published 2000
35
36
Published 1986
37
Published 1989
38
Published 1998
39
by Lin, Ching-yuan, 1932-
Published 1989
40
Published 1991