Columbia subject headings:
Odesa (Ukraine)--History.
Ukraine--History--Independence proclamation, 1918 (January 22)
Ukraine--History--Revolution, 1917-1921.
Harvard subject headings:
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡.
Princeton subject headings: