Columbia subject headings:
Azov (Russia)--History.
Russia. Armii︠a︡. Donskoe kazachʹe voĭsko.
Harvard subject headings:
Azov (Russia)--History.
Russia. Armii︠a︡. Donskoe kazachʹe voĭsko.
Princeton subject headings:
Azov (R.S.F.S.R.)--History.
Russia. Armii︠a︡. Donskoe kazaché voĭsko.