Here are entered works on libraries whose collections focus on naval art and science. Works on library collections for personal use by naval personnel, especially during wars, are entered under Soldiers' libraries. Works on libraries located within naval institutions or the naval branch of the military service are entered under Naval libraries and/or Soldiers' libraries, depending on their purpose and subject focus.
Here are entered works on the strategic and tactical employment of land or sea-based forces of a country at the time its maritime interests are threatened, so as to gain or exploit control of the sea or deny its use to the enemy. Works on long term questions of naval strength, including weapons, installations, national resources, etc., allowing a country to maintain control of the sea and the air space above are entered under Sea-power.
Here are entered works on illegal acts of violence and detention that are committed at sea for personal gain. Works on acts of terrorism that are committed at sea for political motives are entered under Maritime terrorism.