E. L. Bentley

• Bentley's complete phrase code
• Bentley's complete phrase code (nearly 1000 million combinations)
• ... Mining Supplement to Bentley's Complete Phrase Code
• ... Mining Supplement to Bentley's Complete Phrase Code
• Bentley's Complete Phrase Code (nearly 1000 Million Combinations) with at Least 2 Letters Difference Between Each Half-Code Word)
• Bentley's complete phrase code with the cyphers numbered from 00000 to 31462
• Bentley's second phrase code
• Complete phrase code