Columbia subject headings:
Slovakia--History--Congresses.
Turkey--History--1453-1683--Congresses.
Turks--Slovakia--History--Congresses.
Turks--Yugoslavia--History--Congresses.
Yugoslavia--History--Congresses.
Harvard subject headings:
Slovakia--History--Congresses.
Turkey--History--1453-1683--Congresses.
Turks--Slovakia--History--Congresses.
Turks--Yugoslavia--History--Congresses.
Yugoslavia--History--Congresses.
Princeton subject headings:
Slovakia--History--Congresses.
Turkey--History--1453-1683--Congresses.
Turks--Slovakia--History--Congresses.
Turks--Yugoslavia--History--Congresses.
Yugoslavia--History--Congresses.