>> You can start with
>There is also a listing at <http://www.id3.org/iso639-2.html> and at
><http://etext.lib.virginia.edu/tei/iso639.html>. At the latter the 639
>2-character codes are listed first and the 639-2 3-character
>at the bottom of the page.
>I'm not sure which of these, if any, could be considered the
If one of them were put up on the EAD site, then that could be
the 'definitive' one? It doesn't matter which one, so long as
all the tools use the same encoding.