From time to time the Society awards a Gold Medal...
The original edition of Julian Roberts and Andrew G. Watson's edition of John Dee's Library Catalogue was published by the Bibliographical Society in 1990 and has been out of print for some years. Since then, further discoveries of books and manuscripts from Dee's library have been made and more work has been done on the interpretation of the entries in the Catalogue.
The late Julian Roberts created a list of Additions and Corrections which the Bibliographical Society has hosted on its web site:
Original version: October 2006.
Final update: November 2009. Format: PDF.Size: 235Kb
The original manuscript of John Dee's library catalogue (Trinity College, Cambridge, MS O.4.20) is now available online in digital form: http://sites.trin.cam.ac.uk/james/viewpage.php?index=773.
See also http://trinitycollegelibrarycambridge.wordpress.com/2014/10/09/john-dees-library-catalogue/
Many other of Dee's manuscripts are available on microfilm from Adam Matthew Publications (http://www.ampltd.co.uk/).