Columbia subject headings:
Petli︠u︡ra, Symon Vasylʹovych, 1879-1926--Correspondence.
Statesmen--Ukraine--Correspondence.
Ukraine--History.
Ukraine--Politics and government--1917-1945.
Harvard subject headings:
Nationalism--Ukraine
Petli︠u︡ra, Symon Vasylʹovych, 1879-1926--Correspondence.
Statesmen--Ukraine--Correspondence.
Ukraine--History.
Ukraine--Politics and government--1917-1945.
Princeton subject headings: