It would be better to put this information below on the actual wiki pages, where other people could find it. Thanks!
Cryptographical File System:
Management in an Encrypting File System, Matt Blaze, USENIX Summer 1994 Technical Conference, Boston, MA, June 1994.
Cryptographic File System for Unix, Matt Blaze, Proceedings of the First ACM Conference on Computer and Communications Security, Fairfax, VA, November 1993.
Vendor's product overview:
Network Appliance: http://www.netapp.com/ftp/decru-fileshredding.pdf
Other useful site:
Transparent Cryptographic File System: http://www.tcfs.it/index.php?pc=2
User:Helixgroup Helix page with links.