Columbia subject headings:
Communism--Ukraine--Odesʹka oblastʹ--History--Sources.
Odesʹka oblastʹ (Ukraine)--Economic conditions--Sources.
Ukraine--Economic conditions--1918---Sources.
Harvard subject headings:
Communism--Ukraine--Odesʹka oblastʹ--History--Sources.
Odesʹka oblastʹ (Ukraine)--Economic conditions--Sources.
Odesʹka oblastʹ (Ukraine)--History.
Ukraine--Economic conditions--1918---Sources.
Princeton subject headings: