> I'm following up that issue with a colleague down the hall who
> is responsible for xISBN.  BTW, xISBN is an Office of Research
> prototype [1] that we encourage feedback on.  On the left side
> of the Web page [1] is a feed back link to a form for comments,
> like "we really like this service" or enhancements, like Ben's
> suggestion about if we are using an identifier under the covers
> it would be nice to expose that in the response XML.

Okay, I have submitted this request.

> 2. lookup the FRBR key in the FRBR to ISBN relationship table

Is there an OCLC query I could do, or do you mean that I would create a
table like this for our use?