The Peel tapes is a website containing numerous archive John Peel shows.
The site appears to be offline at the moment. To keep links alive if possible, here's restored versions (from 2007) of the two main pages, via archive.org:
For linked pages from these two pages, click on the link, then remove the archive.org part of the address on your browser and reenter.
In early November 2009, Peel Mailing List member deerlabsk sorted through the site using archive.org and listed the links then available. You can view his message here.