Columbia subject headings:
Europe--Defenses--Congresses.
Europe--Politics and government--20th century--Congresses.
European cooperation--Congresses.
Kosovo War, 1998-1999--Congresses.
Security, International--Congresses.
Harvard subject headings:
Europe--Defenses--Congresses.
Europe--Politics and government--20th century--Congresses.
European cooperation--Congresses.
Kosovo War, 1998-1999--Congresses.
Security, International--Congresses
Princeton subject headings:
Europe--History--1989---Congresses.
Kosovo (Serbia)--History--Civil War, 1998-1999--Congresses.
Security, International--Congresses.