One feature of the existing site is a page which shows all the literary reference fragments (nested text elements from documents inside the /data/litref subcollection) which reference a particular location. This should be straightforward to do. We could catch URLs like this:

litref_BLAH.htm

and redirect them to litref.xql, passing the second component of the URL as a parameter. The XQuery would then construct a simple page showing the references concerned.

In addition, the main page-rendering index.xql would have to check, for any given data page, whether its id is linked from any of the litref documents; if so, a Literary References link would be added to its More Info box.