Nicholls's seamanship and nautical knowledge/

Eitemau Tebyg

• Seamanship techniques/
  gan: 251523 House, D. J.
  Cyhoeddwyd: (1987)
• Seamanship techniques /
  gan: 251523 House, D. J.
  Cyhoeddwyd: (1994)
• Admiralty manual of seamanship
  gan: Great Britain. Ministry of Defence (Navy)
  Cyhoeddwyd: (1979)
• Seamanship techniques : for : shipboard & maritime operations /
  gan: 419335 House, David J.
  Cyhoeddwyd: (2004)
• The seamanship examiner : for STCW certification examinations /
  gan: 419335 House, David J.
  Cyhoeddwyd: (2005)