Template:Shared Draft 159

Unsorted Notes

 * Coding, code-breaking
 * GT1/GT2/GT4 (grimoires, firewalls)
 * William Wynn Westcott: Coded text,, five books ,
 * , The Guild, (Greek)
 * Practice of concealing a message within another message or a physical object
 * Practice of concealing a message within another message or a physical object