Lihat Juga

• On Phonic Coast Fog-Signals
  oleh: Beazeley, A.
  Terbitan: (1871)
• On the Audibility of Fog Signals at Sea
  oleh: Fowle, F. E.
  Terbitan: (1895)
• Admiralty List of Lights and Fog Signals Volume B 2000 (NP 75)
  oleh: J. P. Clarke
  Terbitan: (2000)
• Admiralty List of Lights And Fog Signals Volume F 1997 (NP 79)
  oleh: J. P. Clarke
  Terbitan: (1997)
• Admiralty List of Lights And Fog Signals Volume F 1998 (NP 79)
  oleh: J. P. Clarke
  Terbitan: (1998)