Twenty years under the ocean /

Eitemau Tebyg

• The Royal Navy and the northwest coast of North America, 1810-1914; a study of British maritime ascendancy
  gan: Gough, Barry M.
  Cyhoeddwyd: (1971)
• The British navy : its strength, resources and administration /
  gan: Brassey, Thomas Brassey, Earl, 1836-1918
  Cyhoeddwyd: (1882)
• Personnel selection in the British forces /
  gan: Vernon, Philip E. (Philip Ewart), 1905-
  Cyhoeddwyd: (1949)
• The book of naval adventures : from Drake to King George VI /
  Cyhoeddwyd: (1937)
• The life and works of Sir Henry Mainwaring /
  gan: Mainwaring, Henry, Sir, 1587-1653
  Cyhoeddwyd: (1920)