Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # National security. 909 SEE ALSO narrower term: Border security. 255 SEE ALSO: Economic policy 347 SEE ALSO: International relations. 2356 SEE ALSO: Military policy. 204 SEE ALSO narrower term: Strategic culture. 6 National Security Act of 1947 -- SEE: United States. National Security Act of 1947 1 National security -- Afghanistan 6 National security -- Afghanistan -- International cooperation. 2 National security -- Africa. 5 National security -- Africa, North. 3 National Security Agency -- SEE: United States. National Security Agency 27 National Security Agency/Central Security Service (U.S.) -- SEE: United States. National Security Agency/Central Security Service 6 National security -- Asia 1 National security -- Atlantic Ocean Region. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >