Columbia subject headings:
Soviet Union--History--Revolution, 1917-1921--Protest movements--Ukraine--Crimea.
Vrangelʹ, Petr Nikolaevich, Baron, 1878-1928.
Harvard subject headings:
Crimea (Ukraine)--History.
Ukraine--History--Revolution, 1917-1921.
Vrangelʹ, Petr Nikolaevich, Baron, 1878-1928
Princeton subject headings:
Soviet Union--History--Revolution, 1917-1921--Campaigns--Ukraine--Krymskai︠a︡ oblastʹ.