Here's the CFP for the Kalamazoo sessions again for reference.
Call for Papers
Book Technologies (Sponsored by AVISTA)
International Medieval Congress, Kalamazoo, Michigan, May 7-10, 2009
In the production, use, and storage of books, a large variety of tools and techniques come together, including pens, pen knives, parchment and paper production, clocks for timing the pace of writing, organizational technologies such as indices, bookmarks, bookshelves, lecterns, libraries, book chains, and eyeglasses for reading books.
AVISTA is sponsoring two sessions on Book Technologies for the International Medieval Congress (Kalamazoo, Michigan) for 2009. These panels will explore the multitude of technologies which come together in all apects of the production and use of books.
The Association Villard de Honnecourt for Interdisciplinary Study of Medieval Technology, Science, and Art (AVISTA) is a scholarly organization dedicated to any and all medieval topics which relate to the practical sciences or technologies. For more information on it, see its website: http://orgs.uww.edu/avista/
Abstracts and cover pages are due to Shana Worthen (firstname.lastname@example.org) no later than Thursday, September 25, 2008. Cover pages are available here: http://www.wmich.edu/medieval/congress/submissions.html#PIF
Edited to add: Hurray! I have a full complement of papers for Kalamazoo now lined up. If I could find one more for Leeds, then that session would be a go too.