--- In qalam@yahoogroups.com, Gianni Vacca <xiongyaliren@...> wrote:
> Hi Suzanne
>
> > How old would these charts be?
>
> I'm not sure, but I think the very first one was
> created by a group of drunken scholars under the
> (Northern? Southern?) Song dynasty.

Older than I am anyway.;)

>
> G.
>
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