Columbia subject headings:
Europe--Defenses--Handbooks, manuals, etc.
Europe--Military policy--Handbooks, manuals, etc.
National security--Europe--Handbooks, manuals, etc.
Harvard subject headings:
Europe--Military policy.
Security, International--Europe.
Princeton subject headings:
Europe--Defenses--Handbooks, manuals, etc.
Europe--Military policy--Handbooks, manuals, etc.
National security--Europe--Handbooks, manuals, etc.