1
by Newby
Published 1988
2
by Reischauer
Published 1988
3
Published 1981
4
by Yoshino
Published 1992
5
by Tanaka
Published 1993
6
by Weiner
Published 1994
7
Published 1993
8
by Wilkinson
Published 1990
9
Published 2008
10
by Williams
Published 1994
11
by Pedlar
Published 1990
12
13
by Sudo
Published 1992
14
by Nester
Published 1992
15
by Herzog
Published 1993
16
by Bridges
Published 1993
17
by Cortazzi
Published 1993
18
by Brunton
Published 1991
19
20
by Hoare
Published 1994