[3. ANTI-SUBMARINE OPERATIONS]

[4. THE INTRODUCTION OF THE CONVOY SYSTEM]

[5. THE CONVOY SYSTEM AT WORK]

[6. THE ENTRY OF THE UNITED STATES: OUR NAVAL POLICY EXPLAINED]

[7. PATROL CRAFT AND MINESWEEPING SERVICES]

[8. THE DOVER PATROL AND THE HARWICH FORCES]

[9. THE SEQUEL]

[10. "PRODUCTION" AT THE ADMIRALTY DURING 1917]

[11. NAVAL WORK]

[12. THE FUTURE]