More Catch-up: What was the name of C.S. Lewis and J.R.R. Tolkien's Oxford Literary Discussion Group

So I may have inadvertently thrown the book at this one. I looked first at Tolkien Studies, and then to the Journal of Inklings Studies, which provided many links to free resources on the web. I may have gone looking for questions on the Chronicles of Narnia... Even reference librarians have their guilty pleasures, right?

Here is the link:

C.S. Lewis and J.R.R. Tolkien