VisualWorks Security Reloaded - STIC 2012
Secure Communications with VisualWorks - CSTUC 2006
Cryptography for Smalltalkers 2 - ESUG 2006
Cryptography for Smalltalkers - ESUG 2004
Opentalk at Large - StS 2005
CVST - Smalltalk Solutions 2001
Xtreams - ESUG 2010
Cryptography and SSL in Smalltalk - StS 2003