W. Laird Clowes, The Royal Navy, a History from the Earliest Times to the Present (1897)
“ The duties of the generals would, therefore, be to discover the strength, whereabouts, and designs of the Spanish navy, and the nature and quantity of stores collected in Spain for purposes of aggression over sea; to destroy any vessels intended for Ireland, the Narrow Seas, or Calais, to generally injure the naval power of Spain, to avoid the unnecessary hazarding of ships and men, to take undefended towns, especially if they should be understood to contain treasure; not to injure non-combatants, and to preserve all booty for her majesty's disposal. ”
